diff --git a/src/generic/wizard.cpp b/src/generic/wizard.cpp
index 5fcf9f9207..74e205b81a 100644
--- a/src/generic/wizard.cpp
+++ b/src/generic/wizard.cpp
@@ -945,6 +945,9 @@ bool wxWizard::DoLayoutAdaptation()
 
     wxStandardDialogLayoutAdapter::DoFitWithScrolling(this, windows);
 
+    // Size event doesn't get sent soon enough on wxGTK
+    DoLayout();
+    
     SetLayoutAdaptationDone(true);
 
     return true;