diff --git a/Makefile b/Makefile
index 10bd352..13d6988 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,9 @@ build:
 	-cp ~/go/src/go.wit.com/gui/toolkits/*.so resources/
 	go install -v -x
 
+check-git-clean:
+	@git diff-index --quiet HEAD -- || (echo "Git repository is dirty, please commit your changes first"; exit 1)
+
 redomod:
 	rm -f go.*
 	GO111MODULE= go mod init