diff --git a/Makefile b/Makefile
index ddc77cdb2..6b5ccd3fb 100644
--- a/Makefile
+++ b/Makefile
@@ -131,6 +131,10 @@ test-js: .build/deps-build-node.ok
 .PHONY: test
 test: lint test-go test-js
 
+.PHONY: format-js
+format-js:
+	cd ui && ./node_modules/.bin/prettier --write 'src/**/*.js'
+
 .PHONY: show-version
 show-version:
 	@echo $(VERSION)