diff --git a/Makefile b/Makefile
index 3f8e2b115..4044d525a 100644
--- a/Makefile
+++ b/Makefile
@@ -10,9 +10,11 @@ $(NPM_COMMANDS):
 
 # We write the npm commands to the top of the file above to make shell autocompletion work in more places.
 DYNAMIC_NPM_COMMANDS = $(shell cat package.json | npx jq --raw-output ".scripts | keys_unsorted | join(\" \")")
+UPDATE_MAKEFILE_SED_ARGS = "s/^NPM_COMMANDS = .*$$/NPM_COMMANDS = ${DYNAMIC_NPM_COMMANDS}/" Makefile
 .PHONY: update-Makefile
 update-Makefile:
-	sed -i "" "s/^NPM_COMMANDS = .*$$/NPM_COMMANDS = ${DYNAMIC_NPM_COMMANDS}/" Makefile
+	if [ "$(shell uname -s)" = "Darwin" ] ; then sed -i "" ${UPDATE_MAKEFILE_SED_ARGS} ; fi
+	if [ "$(shell uname -s)" != "Darwin" ] ; then sed -i"" ${UPDATE_MAKEFILE_SED_ARGS} ; fi
 
 .PHONY: publish
 publish: