diff --git a/src/msw/tbar95.cpp b/src/msw/tbar95.cpp
index 49667ebabe..772c459e3a 100644
--- a/src/msw/tbar95.cpp
+++ b/src/msw/tbar95.cpp
@@ -1071,6 +1071,8 @@ bool wxToolBar::Realize()
     }
 
     InvalidateBestSize();
+    SetBestFittingSize();
+
     return true;
 }