diff --git a/Makefile b/Makefile
index 1a5b7cf..55d2af5 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 	@echo ==============================================================
 	@echo
 	@echo [1] Generate the format used by stem function.
-	@rm -rf [1]myFormat.txt
+	@rm -f [1]myFormat.txt
 	@touch [1]myFormat.txt
 	perl preProcess.pl >> [1]myFormat.txt
 	perl jsonParser.pl >> [1]myFormat.txt