diff --git a/maven-project/src/test/java/org/apache/maven/project/PomConstructionTest.java b/maven-project/src/test/java/org/apache/maven/project/PomConstructionTest.java
index 49c0184580..2651d501a4 100644
--- a/maven-project/src/test/java/org/apache/maven/project/PomConstructionTest.java
+++ b/maven-project/src/test/java/org/apache/maven/project/PomConstructionTest.java
@@ -761,11 +761,25 @@ public class PomConstructionTest
         assertEquals( "PASSED-4", pom.getValue( prefix + "listParam/listParam[4]" ) );
     }
 
-    /* FIXME: MNG-2591*/
-    public void testAppendOfInheritedPluginConfiguration()
+    /* MNG-2591 */
+    public void testAppendOfInheritedPluginConfigurationWithNoProfile()
         throws Exception
     {
-        PomTestWrapper pom = buildPom( "plugin-config-append/subproject" );
+        testAppendOfInheritedPluginConfiguration( "no-profile" );
+    }
+
+    /* FIXME: MNG-2591
+    public void testAppendOfInheritedPluginConfigurationWithActiveProfile()
+        throws Exception
+    {
+        testAppendOfInheritedPluginConfiguration( "with-profile" );
+    }
+    //*/
+
+    private void testAppendOfInheritedPluginConfiguration( String test )
+        throws Exception
+    {
+        PomTestWrapper pom = buildPom( "plugin-config-append/" + test + "/subproject" );
 
         String prefix = "build/plugins[1]/configuration/";
         assertEquals( "PARENT-1", pom.getValue( prefix + "stringParams/stringParam[1]" ) );
@@ -776,6 +790,7 @@ public class PomConstructionTest
         assertEquals( "CHILD-3", pom.getValue( prefix + "stringParams/stringParam[6]" ) );
         assertEquals( "CHILD-2", pom.getValue( prefix + "stringParams/stringParam[7]" ) );
         assertEquals( "CHILD-4", pom.getValue( prefix + "stringParams/stringParam[8]" ) );
+        assertEquals( null, pom.getValue( prefix + "stringParams/stringParam[9]" ) );
         assertEquals( "PARENT-1", pom.getValue( prefix + "listParam/listParam[1]" ) );
         assertEquals( "PARENT-3", pom.getValue( prefix + "listParam/listParam[2]" ) );
         assertEquals( "PARENT-2", pom.getValue( prefix + "listParam/listParam[3]" ) );
@@ -784,8 +799,8 @@ public class PomConstructionTest
         assertEquals( "CHILD-3", pom.getValue( prefix + "listParam/listParam[6]" ) );
         assertEquals( "CHILD-2", pom.getValue( prefix + "listParam/listParam[7]" ) );
         assertEquals( "CHILD-4", pom.getValue( prefix + "listParam/listParam[8]" ) );
+        assertEquals( null, pom.getValue( prefix + "listParam/listParam[9]" ) );
     }
-    //*/
 
     /* MNG-4000 */
     public void testMultiplePluginExecutionsWithAndWithoutIdsWithoutPluginManagement()
diff --git a/maven-project/src/test/resources-project-builder/plugin-config-append/pom.xml b/maven-project/src/test/resources-project-builder/plugin-config-append/no-profile/pom.xml
similarity index 100%
rename from maven-project/src/test/resources-project-builder/plugin-config-append/pom.xml
rename to maven-project/src/test/resources-project-builder/plugin-config-append/no-profile/pom.xml
diff --git a/maven-project/src/test/resources-project-builder/plugin-config-append/subproject/pom.xml b/maven-project/src/test/resources-project-builder/plugin-config-append/no-profile/subproject/pom.xml
similarity index 100%
rename from maven-project/src/test/resources-project-builder/plugin-config-append/subproject/pom.xml
rename to maven-project/src/test/resources-project-builder/plugin-config-append/no-profile/subproject/pom.xml
diff --git a/maven-project/src/test/resources-project-builder/plugin-config-append/with-profile/pom.xml b/maven-project/src/test/resources-project-builder/plugin-config-append/with-profile/pom.xml
new file mode 100644
index 0000000000..48a8d393ba
--- /dev/null
+++ b/maven-project/src/test/resources-project-builder/plugin-config-append/with-profile/pom.xml
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<project>
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apache.maven.its.mng2591</groupId>
+  <artifactId>parent</artifactId>
+  <version>1.0</version>
+  <packaging>pom</packaging>
+
+  <name>Maven Integration Test :: MNG-2591</name> 
+  <description>
+    Test aggregation of list configuration items for build plugins when using
+    'combine.children=append' attribute.
+  </description>
+
+  <modules>
+    <module>subproject</module>
+  </modules>
+
+  <build>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <!-- inherit via <pluginManagement> -->
+          <groupId>org.apache.maven.its.plugins</groupId>
+          <artifactId>maven-it-plugin-configuration</artifactId>
+          <version>2.1-SNAPSHOT</version>
+          <inherited>true</inherited>
+          <configuration>
+            <listParam>
+              <!-- NOTE: These values are deliberately not in alpha order! -->
+              <listParam>PARENT-1</listParam>
+              <listParam>PARENT-3</listParam>
+              <listParam>PARENT-2</listParam>
+              <listParam>PARENT-4</listParam>
+            </listParam>
+          </configuration>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+    <plugins>
+      <plugin>
+        <!-- inherit not via <pluginManagement> -->
+        <groupId>org.apache.maven.its.plugins</groupId>
+        <artifactId>maven-it-plugin-configuration</artifactId>
+        <version>2.1-SNAPSHOT</version>
+        <inherited>true</inherited>
+        <configuration>
+          <stringParams>
+            <!-- NOTE: These values are deliberately not in alpha order! -->
+            <stringParam>PARENT-1</stringParam>
+            <stringParam>PARENT-3</stringParam>
+            <stringParam>PARENT-2</stringParam>
+            <stringParam>PARENT-4</stringParam>
+          </stringParams>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+  <profiles>
+    <profile>
+      <!-- an active but empty profile to ensure profile injection does not interfere with plugin configuration -->
+      <id>parent</id>
+      <activation>
+        <activeByDefault>true</activeByDefault>
+      </activation>
+    </profile>
+  </profiles>
+</project>
diff --git a/maven-project/src/test/resources-project-builder/plugin-config-append/with-profile/subproject/pom.xml b/maven-project/src/test/resources-project-builder/plugin-config-append/with-profile/subproject/pom.xml
new file mode 100644
index 0000000000..7023503089
--- /dev/null
+++ b/maven-project/src/test/resources-project-builder/plugin-config-append/with-profile/subproject/pom.xml
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<project>
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.apache.maven.its.mng2591</groupId>
+    <artifactId>parent</artifactId>
+    <version>1.0</version>
+  </parent>
+
+  <artifactId>subproject</artifactId>
+  <version>1.0</version>
+  <packaging>jar</packaging>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.its.plugins</groupId>
+        <artifactId>maven-it-plugin-configuration</artifactId>
+        <version>2.1-SNAPSHOT</version>
+        <configuration>
+          <propertiesFile>target/config.properties</propertiesFile>
+          <stringParams combine.children="append">
+            <!-- NOTE: These values are deliberately not in alpha order! -->
+            <stringParam>CHILD-1</stringParam>
+            <stringParam>CHILD-3</stringParam>
+            <stringParam>CHILD-2</stringParam>
+            <stringParam>CHILD-4</stringParam>
+          </stringParams>
+          <listParam combine.children="append">
+            <!-- NOTE: These values are deliberately not in alpha order! -->
+            <listParam>CHILD-1</listParam>
+            <listParam>CHILD-3</listParam>
+            <listParam>CHILD-2</listParam>
+            <listParam>CHILD-4</listParam>
+          </listParam>
+        </configuration>
+        <executions>
+          <execution>
+            <id>test</id>
+            <phase>validate</phase>
+            <goals>
+              <goal>config</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+
+  <profiles>
+    <profile>
+      <!-- an active but empty profile to ensure profile injection does not interfere with plugin configuration -->
+      <id>child</id>
+      <activation>
+        <activeByDefault>true</activeByDefault>
+      </activation>
+    </profile>
+  </profiles>
+</project>