diff --git a/src/apps/debugger/user_interface/gui/utility_windows/ExpressionPromptWindow.cpp b/src/apps/debugger/user_interface/gui/utility_windows/ExpressionPromptWindow.cpp
index 554081786b..891d0e67ee 100644
--- a/src/apps/debugger/user_interface/gui/utility_windows/ExpressionPromptWindow.cpp
+++ b/src/apps/debugger/user_interface/gui/utility_windows/ExpressionPromptWindow.cpp
@@ -110,7 +110,7 @@ ExpressionPromptWindow::MessageReceived(BMessage* message)
 			addMessage.AddBool("persistent", true);
 
 			BMessenger(fAddTarget).SendMessage(&addMessage);
-			Quit();
+			PostMessage(B_QUIT_REQUESTED);
 			break;
 		}