diff --git a/build/Makefile b/build/Makefile
index c737ce88e1..6d78b03cf2 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -215,7 +215,7 @@ macpack: package/README.html
 	$(MAKE) mactools FAUSTDIR=../../build/$(PACK)/Faust-$(VERSION)
 	cp package/INSTALL.html $(PACK)
 	cp package/README.html $(PACK)
-	hdiutil create Faust-$(VERSION).dmg -fs HFS+ -srcfolder $(PACK) -format UDBZ -ov
+	sudo hdiutil create Faust-$(VERSION).dmg -fs HFS+ -srcfolder $(PACK) -format UDBZ -ov
 
 mactools:
 	$(MAKE) -C ../tools/benchmark FAUSTDIR=$(FAUSTDIR) TARGETS="dynamic-faust faustbench-llvm interp-tracer" LLVM="$(LLVM)" ARCHS="$(ARCHS)" USE_STATIC_SNDFILE=$(USE_STATIC_SNDFILE)