diff --git a/platform/build-scripts/tools/mac/scripts/create-dmg.sh b/platform/build-scripts/tools/mac/scripts/create-dmg.sh
index 7e703fdcfa8c..ae5860ca1298 100644
--- a/platform/build-scripts/tools/mac/scripts/create-dmg.sh
+++ b/platform/build-scripts/tools/mac/scripts/create-dmg.sh
@@ -69,7 +69,7 @@ function usage() {
 	echo "  --no-internet-enable"
 	echo "      disable automatic mount&copy"
 	echo "  --format"
-	echo "      specify the final image format (default is UDZO)"
+	echo "      specify the final image format (default is ULFO)"
 	echo "  --add-file target_name file|folder x y"
 	echo "      add additional file or folder (can be used multiple times)"
 	echo "  --disk-image-size x"
@@ -93,7 +93,7 @@ WINW=500
 WINH=350
 ICON_SIZE=128
 TEXT_SIZE=16
-FORMAT="UDZO"
+FORMAT="ULFO"
 ADD_FILE_SOURCES=()
 ADD_FILE_TARGETS=()
 IMAGEKEY=""
@@ -189,6 +189,8 @@ while test "${1:0:1}" = "-"; do
 		IMAGEKEY="-imagekey zlib-level=9";;
 	UDBZ)
 		IMAGEKEY="-imagekey bzip2-level=9";;
+	ULFO)
+		IMAGEKEY="-imagekey lzfse-level=9";;
 	esac
 done
 
diff --git a/platform/build-scripts/tools/mac/scripts/makedmg.sh b/platform/build-scripts/tools/mac/scripts/makedmg.sh
index fc2e4f6d16e3..abddb5516d47 100644
--- a/platform/build-scripts/tools/mac/scripts/makedmg.sh
+++ b/platform/build-scripts/tools/mac/scripts/makedmg.sh
@@ -84,7 +84,7 @@ sync;sync;sync
 hdiutil detach "$device"
 
 log "Compressing r/w disk image to ${RESULT_DMG}..."
-hdiutil convert "$TEMP_DMG" -quiet -format UDZO -imagekey zlib-level=9 -o "$RESULT_DMG"
+hdiutil convert "$TEMP_DMG" -quiet -format ULFO -imagekey lzfse-level=9 -o "$RESULT_DMG"
 rm -f "$TEMP_DMG"
 
 hdiutil internet-enable -no "$RESULT_DMG"