diff --git a/Makefile b/Makefile
index 68564911..b56d69c6 100644
--- a/Makefile
+++ b/Makefile
@@ -113,7 +113,7 @@ check:
 
 .PHONY: bats
 bats:
-	@bats --print-output-on-failure tests/bats/
+	@bats --pretty --print-output-on-failure tests/bats/
 
 .PHONY: manual
 manual: