diff --git a/client/hid-flasher/Makefile b/client/hid-flasher/Makefile
index 166ea236..4ce78841 100644
--- a/client/hid-flasher/Makefile
+++ b/client/hid-flasher/Makefile
@@ -37,7 +37,7 @@ clean:
 # must be run as root
 install_kext: Info.plist
 	spctl --master-disable
-	mount -uw
+	mount -uw /
 	killall Finder
 	mkdir -p /System/Library/Extensions/Proxmark3.kext/Contents
 	cp Info.plist /System/Library/Extensions/Proxmark3.kext/Contents