diff --git a/samples/combo/combo.cpp b/samples/combo/combo.cpp
index 9a55db88de..6176989941 100644
--- a/samples/combo/combo.cpp
+++ b/samples/combo/combo.cpp
@@ -252,10 +252,7 @@ public:
     virtual wxCoord OnMeasureItem( size_t item ) const wxOVERRIDE
     {
         // Simply demonstrate the ability to have variable-height items
-        if ( item & 1 )
-            return 36;
-        else
-            return 24;
+        return FromDIP( item & 1 ? 36 : 24 );
     }
 
     virtual wxCoord OnMeasureItemWidth( size_t WXUNUSED(item) ) const wxOVERRIDE