diff --git a/Makefile b/Makefile
index 92fe27a..3825d0c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,2 +1,5 @@
 doc/index.html: doc/index.md
 	pandoc -t html -f gfm < $< > $@
+
+watch:
+	while true ; do ( find . -type f | entr -d sh test/run.sh ) ;done
diff --git a/Procfile b/Procfile
index 05a030e..5fd08bb 100644
--- a/Procfile
+++ b/Procfile
@@ -1,2 +1,2 @@
+test: make watch
 repl: fennel
-test: find . -type d  | entr -d sh test/run.sh
\ No newline at end of file