diff --git a/Makefile b/Makefile
index 12af36964..23d98616b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,4 @@
+SHELL = /bin/bash
 TAG := $(shell git describe --tags)
 LAST_TAG := $(shell git describe --tags --abbrev=0)
 NEW_TAG := $(shell echo $(LAST_TAG) | perl -lpe 's/v//; $$_ += 0.01; $$_ = sprintf("v%.2f", $$_)')
@@ -14,6 +15,7 @@ check:	rclone
 	go vet ./...
 	errcheck ./...
 	golint ./...
+	diff <(goimports -d .) <(printf "")
 
 doc:	rclone.1 MANUAL.html MANUAL.txt