diff --git a/src/mac/carbon/toplevel.cpp b/src/mac/carbon/toplevel.cpp
index 896ede9fdb..a649ffa03e 100644
--- a/src/mac/carbon/toplevel.cpp
+++ b/src/mac/carbon/toplevel.cpp
@@ -1262,7 +1262,7 @@ static SInt32 wxShapedMacWindowGetFeatures(WindowRef window, SInt32 param)
                         kWindowCanDrawInCurrentPort|
                         //kWindowCanMeasureTitle|
                         kWindowWantsDisposeAtProcessDeath|
-                        kWindowSupportsSetGrowImageRegion|
+                        kWindowSupportsGetGrowImageRegion|
                         kWindowDefSupportsColorGrafPort;
     return 1;
 }