diff --git a/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/breakpoints/ui/BreakpointsMasterDetailPopupFactory.java b/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/breakpoints/ui/BreakpointsMasterDetailPopupFactory.java
index e86c9cfbfa8c..748c2789f3f2 100644
--- a/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/breakpoints/ui/BreakpointsMasterDetailPopupFactory.java
+++ b/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/breakpoints/ui/BreakpointsMasterDetailPopupFactory.java
@@ -65,7 +65,7 @@ public class BreakpointsMasterDetailPopupFactory {
     popup.addListener(new JBPopupListener() {
       @Override
       public void beforeShown(LightweightWindowEvent event) {
-        myBalloonToHide.hide();
+        if (myBalloonToHide != null) myBalloonToHide.hide();
       }
 
       @Override