diff --git a/samples/dialogs/dialogs.cpp b/samples/dialogs/dialogs.cpp
index 61fe0daccd..5289c6a711 100644
--- a/samples/dialogs/dialogs.cpp
+++ b/samples/dialogs/dialogs.cpp
@@ -233,9 +233,10 @@ void MyFrame::LogDialog(wxCommandEvent& event)
     wxLogMessage("This is some message - everything is ok so far.");
     wxLogMessage("Another message...");
     wxLogWarning("And then something went wrong!");
+    // if we have this wxYield() here, everything breaks under GTK
+    wxYield();
     wxLogError("Intermediary error handler decided to abort.");
     wxLogError("The top level caller detected an error.");
-
     wxLog::FlushActive();
 
     wxLogMessage("And this is the same dialog but with only one message.");