diff --git a/go-fast-replace/Makefile b/go-fast-replace/Makefile
index 240cccb..cc0984f 100644
--- a/go-fast-replace/Makefile
+++ b/go-fast-replace/Makefile
@@ -10,4 +10,4 @@ run:
 	./bin/replace
 
 test:
-	./bin/test.sh
+	go test ./internal/replace/*.go