diff --git a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/sourcelookup/CSourceNotFoundEditorInput.java b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/sourcelookup/CSourceNotFoundEditorInput.java
index 267f2491a72..de556ccb452 100644
--- a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/sourcelookup/CSourceNotFoundEditorInput.java
+++ b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/sourcelookup/CSourceNotFoundEditorInput.java
@@ -27,4 +27,13 @@ public class CSourceNotFoundEditorInput extends CommonSourceNotFoundEditorInput
 		return super.getName();
 	}
 
+	@Override
+	public boolean equals(Object other) {
+		if (other instanceof CSourceNotFoundEditorInput)
+		{
+			return super.equals(other) || (this.getName().equals(((CSourceNotFoundEditorInput) other).getName()));
+		}
+		return super.equals(other);
+	}
+
 }