diff --git a/maven-artifact/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactCollector.java b/maven-artifact/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactCollector.java
index 40c2b1dea0..f6a7e432c1 100644
--- a/maven-artifact/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactCollector.java
+++ b/maven-artifact/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactCollector.java
@@ -315,7 +315,14 @@ else if ( currentRange == null )
         }
     }
 
-    private void checkScopeUpdate( ResolutionNode farthest, ResolutionNode nearest, List listeners )
+    /**
+     * Check if the scope needs to be updated.
+     * <a href="http://docs.codehaus.org/x/IGU#DependencyMediationandConflictResolution-Scoperesolution">More info</a>.
+     * @param farthest farthest resolution node
+     * @param nearest nearest resolution node
+     * @param listeners
+     */
+    void checkScopeUpdate( ResolutionNode farthest, ResolutionNode nearest, List listeners )
     {
         boolean updateScope = false;
         Artifact farthestArtifact = farthest.getArtifact();
diff --git a/maven-artifact/src/test/java/org/apache/maven/artifact/resolver/DefaultArtifactCollectorTest.java b/maven-artifact/src/test/java/org/apache/maven/artifact/resolver/DefaultArtifactCollectorTest.java
index b6e3bdac12..2347a848af 100644
--- a/maven-artifact/src/test/java/org/apache/maven/artifact/resolver/DefaultArtifactCollectorTest.java
+++ b/maven-artifact/src/test/java/org/apache/maven/artifact/resolver/DefaultArtifactCollectorTest.java
@@ -503,6 +503,68 @@ public void testOptionalIncludedAtRoot()
         ArtifactResolutionResult res = collect( createSet( new Object[]{a.artifact, b.artifact} ) );
         assertEquals( "Check artifact list", createSet( new Object[]{a.artifact, b.artifact} ), res.getArtifacts() );
     }
+    
+    public void testCheckScopeUpdate()
+        throws InvalidVersionSpecificationException
+    {
+        /* farthest = compile */
+        checkScopeUpdate( Artifact.SCOPE_COMPILE, Artifact.SCOPE_COMPILE, Artifact.SCOPE_COMPILE );
+        checkScopeUpdate( Artifact.SCOPE_COMPILE, Artifact.SCOPE_PROVIDED, Artifact.SCOPE_COMPILE );
+        checkScopeUpdate( Artifact.SCOPE_COMPILE, Artifact.SCOPE_RUNTIME, Artifact.SCOPE_COMPILE );
+        checkScopeUpdate( Artifact.SCOPE_COMPILE, Artifact.SCOPE_SYSTEM, Artifact.SCOPE_COMPILE );
+        checkScopeUpdate( Artifact.SCOPE_COMPILE, Artifact.SCOPE_TEST, Artifact.SCOPE_COMPILE );
+
+        /* farthest = provided */
+        checkScopeUpdate( Artifact.SCOPE_PROVIDED, Artifact.SCOPE_COMPILE, Artifact.SCOPE_COMPILE );
+        checkScopeUpdate( Artifact.SCOPE_PROVIDED, Artifact.SCOPE_PROVIDED, Artifact.SCOPE_PROVIDED );
+        checkScopeUpdate( Artifact.SCOPE_PROVIDED, Artifact.SCOPE_RUNTIME, Artifact.SCOPE_RUNTIME );
+        checkScopeUpdate( Artifact.SCOPE_PROVIDED, Artifact.SCOPE_SYSTEM, Artifact.SCOPE_SYSTEM );
+        checkScopeUpdate( Artifact.SCOPE_PROVIDED, Artifact.SCOPE_TEST, Artifact.SCOPE_TEST );
+
+        /* farthest = runtime */
+        checkScopeUpdate( Artifact.SCOPE_RUNTIME, Artifact.SCOPE_COMPILE, Artifact.SCOPE_COMPILE );
+        checkScopeUpdate( Artifact.SCOPE_RUNTIME, Artifact.SCOPE_PROVIDED, Artifact.SCOPE_RUNTIME );
+        checkScopeUpdate( Artifact.SCOPE_RUNTIME, Artifact.SCOPE_RUNTIME, Artifact.SCOPE_RUNTIME );
+        checkScopeUpdate( Artifact.SCOPE_RUNTIME, Artifact.SCOPE_SYSTEM, Artifact.SCOPE_SYSTEM );
+        checkScopeUpdate( Artifact.SCOPE_RUNTIME, Artifact.SCOPE_TEST, Artifact.SCOPE_RUNTIME );
+
+        /* farthest = system */
+        checkScopeUpdate( Artifact.SCOPE_SYSTEM, Artifact.SCOPE_COMPILE, Artifact.SCOPE_COMPILE );
+        checkScopeUpdate( Artifact.SCOPE_SYSTEM, Artifact.SCOPE_PROVIDED, Artifact.SCOPE_PROVIDED );
+        checkScopeUpdate( Artifact.SCOPE_SYSTEM, Artifact.SCOPE_RUNTIME, Artifact.SCOPE_RUNTIME );
+        checkScopeUpdate( Artifact.SCOPE_SYSTEM, Artifact.SCOPE_SYSTEM, Artifact.SCOPE_SYSTEM );
+        checkScopeUpdate( Artifact.SCOPE_SYSTEM, Artifact.SCOPE_TEST, Artifact.SCOPE_TEST );
+
+        /* farthest = test */
+        checkScopeUpdate( Artifact.SCOPE_TEST, Artifact.SCOPE_COMPILE, Artifact.SCOPE_COMPILE );
+        checkScopeUpdate( Artifact.SCOPE_TEST, Artifact.SCOPE_PROVIDED, Artifact.SCOPE_PROVIDED );
+        checkScopeUpdate( Artifact.SCOPE_TEST, Artifact.SCOPE_RUNTIME, Artifact.SCOPE_RUNTIME );
+        checkScopeUpdate( Artifact.SCOPE_TEST, Artifact.SCOPE_SYSTEM, Artifact.SCOPE_SYSTEM );
+        checkScopeUpdate( Artifact.SCOPE_TEST, Artifact.SCOPE_TEST, Artifact.SCOPE_TEST );
+    }
+
+    private ResolutionNode createResolutionNode( String scope )
+        throws InvalidVersionSpecificationException
+    {
+        /* force depth > 1 to avoid "current pom" overrides */
+        ResolutionNode parent = new ResolutionNode( createArtifact( "parent", "0.1", scope ).artifact, null );
+        parent = new ResolutionNode( createArtifact( "parent", "0.1", scope ).artifact, null, parent );
+
+        String artifactId = "a", version = "1.0";
+        return new ResolutionNode( createArtifact( artifactId, version, scope ).artifact, null, parent );
+    }
+
+    private void checkScopeUpdate( String farthestScope, String nearestScope, String expectedScope )
+        throws InvalidVersionSpecificationException
+    {
+        DefaultArtifactCollector defaultArtifactCollector = (DefaultArtifactCollector) artifactCollector;
+        ResolutionNode farthest = createResolutionNode( farthestScope );
+        ResolutionNode nearest = createResolutionNode( nearestScope );
+
+        defaultArtifactCollector.checkScopeUpdate( farthest, nearest, new ArrayList() );
+        //assertEquals( expectedFarthestScope, farthest.getArtifact().getScope() );
+        assertEquals( expectedScope, nearest.getArtifact().getScope() );
+    }
 
     public void disabledtestOptionalNotTransitiveButVersionIsInfluential()
         throws ArtifactResolutionException, InvalidVersionSpecificationException