diff --git a/Makefile b/Makefile
index 9a97b1e..3c5633f 100644
--- a/Makefile
+++ b/Makefile
@@ -9,4 +9,8 @@ lint:
 
 .PHONY: test
 test:
-	rails test
\ No newline at end of file
+	rails test
+
+# recursively finds all .rb files in the current dir and formats them using stree
+format:
+	find . -type f -name "*.rb" | xargs -L1 stree write
\ No newline at end of file