diff --git a/Makefile b/Makefile
index 92704f6e3..51754d146 100644
--- a/Makefile
+++ b/Makefile
@@ -22,14 +22,12 @@ testrace: generate
 	TF_ACC= go test -race $(TEST) $(TESTARGS)
 
 updatedeps:
-	@# This just checks out the current branch/tag/commit again so
-	@# that the `git checkout -` works below. We do this to preserve our
-	@# location since `go get` always puts us back on the master branch.
-	@sh -c "git checkout `git symbolic-ref --short HEAD 2>/dev/null \
-		|| git rev-parse HEAD`"
+	$(eval REF := $(shell sh -c "\
+		git symbolic-ref --short HEAD 2>/dev/null \
+		|| git rev-parse HEAD"))
 	go get -u golang.org/x/tools/cmd/stringer
 	go get -f -u -v ./...
-	git checkout -
+	git checkout $(REF)
 
 generate:
 	go generate ./...