diff --git a/subprojects/dependency-management/src/main/java/org/gradle/internal/component/model/LocalComponentDependencyMetadata.java b/subprojects/dependency-management/src/main/java/org/gradle/internal/component/model/LocalComponentDependencyMetadata.java
index 83bf4913f43d..fabbb793c62d 100644
--- a/subprojects/dependency-management/src/main/java/org/gradle/internal/component/model/LocalComponentDependencyMetadata.java
+++ b/subprojects/dependency-management/src/main/java/org/gradle/internal/component/model/LocalComponentDependencyMetadata.java
@@ -93,7 +93,7 @@ public LocalComponentDependencyMetadata(ComponentIdentifier componentId,
     }
 
     private static List<IvyArtifactName> asImmutable(List<IvyArtifactName> artifactNames) {
-        return artifactNames.isEmpty() ? Collections.emptyList() : ImmutableList.copyOf(artifactNames);
+        return artifactNames.isEmpty() ? Collections.emptyList() : artifactNames instanceof ImmutableList ? artifactNames : ImmutableList.copyOf(artifactNames);
     }
 
     @Override