diff --git a/pom.xml b/pom.xml
index fc203918ab2..98994e1f6c8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -116,6 +116,7 @@
                 <artifactId>maven-source-plugin</artifactId>
             </plugin>
             <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
                 <version>2.3</version>
                 <configuration>