1 files changed, 3 insertions, 0 deletions
diff --git a/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java b/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java
index eb98633adc8..3c50b030132 100644
--- a/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java
+++ b/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java
@@ -3125,6 +3125,9 @@ public class WorkbenchPage extends CompatibleWorkbenchPage implements
 		partService.showPart(editor, PartState.VISIBLE);
 
 		CompatibilityEditor compatibilityEditor = (CompatibilityEditor) editor.getObject();
+		if (compatibilityEditor == null) {
+			return null;
+		}
 
 		if (activate) {
 			partService.activate(editor);