diff --git a/Makefile b/Makefile
index 5297aed0f..c8f7d5c10 100644
--- a/Makefile
+++ b/Makefile
@@ -166,8 +166,7 @@ unit-race:
 
 flakehunter: build
 	@$(call print, "Flake hunting integration tests.")
-	$(ITEST)
-	while [ $$? -eq 0 ]; do /bin/sh -c "$(ITEST)"; done
+	while [ $$? -eq 0 ]; do $(ITEST); done
 
 flake-unit:
 	@$(call print, "Flake hunting unit tests.")