diff --git a/Makefile b/Makefile
index d91ca05ac7..a8e61904b4 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@ SOURCES = packages codemods
 build: clean
 	make clean-lib
 	./node_modules/.bin/gulp build
-ifneq ($(BABEL_ENV), "cov")
+ifneq ("$(BABEL_ENV)", "cov")
 	make build-standalone
 endif