diff --git a/src/generic/wizard.cpp b/src/generic/wizard.cpp
index 3bfd26cc7c..d877d14cf8 100644
--- a/src/generic/wizard.cpp
+++ b/src/generic/wizard.cpp
@@ -411,7 +411,7 @@ void wxWizard::AddButtonRow(wxBoxSizer *mainColumn)
         mainColumn->Add(
             buttonRow,
             0, // Vertically unstretchable
-            wxGROW|wxALIGN_CENTRE
+            wxEXPAND
             );
     else
 #endif