diff --git a/Makefile b/Makefile
index 6962da7a..811e33c0 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ protoc-gen:
 	@dune build @lint
 
 format:
-	@dune fmt
+	@dune build @fmt
 
 WATCH ?= @all
 watch: