diff --git a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/CBreakpointPropertiesHandler.java b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/CBreakpointPropertiesHandler.java
index f31bf2b46a3..ef5d0b25b6a 100644
--- a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/CBreakpointPropertiesHandler.java
+++ b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/CBreakpointPropertiesHandler.java
@@ -81,7 +81,7 @@ public class CBreakpointPropertiesHandler extends AbstractHandler {
 	        Object s = ((IEvaluationContext) evaluationContext).getVariable(ISources.ACTIVE_MENU_SELECTION_NAME);
 	        if (s instanceof IStructuredSelection) {
 	            IStructuredSelection ss = (IStructuredSelection)s;
-	            if (!ss.isEmpty()) {
+	            if (ss.size() == 1) {
     	            return (ICBreakpoint)DebugPlugin.getAdapter(ss.getFirstElement(), ICBreakpoint.class);
 	            }
 	        }