diff --git a/Installation/MacOSX/Bundle/hdiutilwrapper.sh.in b/Installation/MacOSX/Bundle/hdiutilwrapper.sh.in
index 1448fe3dab..41e9a7f90d 100755
--- a/Installation/MacOSX/Bundle/hdiutilwrapper.sh.in
+++ b/Installation/MacOSX/Bundle/hdiutilwrapper.sh.in
@@ -1,7 +1,9 @@
 #!/bin/bash
 
-verb="$1"
+verb=$1
 shift
-
-@HDIUTIL_EXECUTABLE@ $verb -megabytes @CMAKE_DMG_SIZE@ $@
-
+if test "$verb" == "create"; then
+    @HDIUTIL_EXECUTABLE@ $verb -megabytes @CMAKE_DMG_SIZE@ $@
+else
+    @HDIUTIL_EXECUTABLE@ $verb $@
+fi