diff --git a/ui/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/RequiredPluginsInitializer.java b/ui/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/RequiredPluginsInitializer.java
index 20022bc77bd..8ab496228e2 100644
--- a/ui/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/RequiredPluginsInitializer.java
+++ b/ui/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/RequiredPluginsInitializer.java
@@ -104,7 +104,7 @@ protected IStatus run(IProgressMonitor monitor) {
 
 		@Override
 		public boolean belongsTo(Object family) {
-			return family == PluginModelManager.class;
+			return family == PluginModelManager.class || family == ClasspathContainerInitializer.class;
 		}
 	}