diff --git a/platform/platform-impl/src/com/intellij/ui/popup/AbstractPopup.java b/platform/platform-impl/src/com/intellij/ui/popup/AbstractPopup.java
index 7f9eb7e6c12b..7f7429e0f56a 100644
--- a/platform/platform-impl/src/com/intellij/ui/popup/AbstractPopup.java
+++ b/platform/platform-impl/src/com/intellij/ui/popup/AbstractPopup.java
@@ -445,7 +445,7 @@ public class AbstractPopup implements JBPopup {
       window = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusedWindow();
     }
 
-    if (window != null) {
+    if (window != null && window.isShowing()) {
       showInCenterOf(window);
     }
   }
diff --git a/platform/platform-impl/src/com/intellij/ui/popup/PopupComponent.java b/platform/platform-impl/src/com/intellij/ui/popup/PopupComponent.java
index 5d47fbce983b..fb1c4cd953f3 100644
--- a/platform/platform-impl/src/com/intellij/ui/popup/PopupComponent.java
+++ b/platform/platform-impl/src/com/intellij/ui/popup/PopupComponent.java
@@ -111,7 +111,7 @@ public interface PopupComponent {
 
     public DialogPopupWrapper(Component owner, Component content, int x, int y, JBPopup jbPopup) {
       if (!owner.isShowing()) {
-        throw new IllegalArgumentException("Popup owner must be showing");
+        throw new IllegalArgumentException("Popup owner must be showing, owner " + owner.getClass());
       }
 
       final Window wnd = UIUtil.getWindow(owner);