diff --git a/README.md b/README.md
index 37ffbe3cceb06b4dd2f73ec39f76f8fc4152fd3c..9ea189a3e0d68abd18cef4d2cf58fbdcd013be43 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ for p in SAM2MAP MAP2FASTA FASTA2MSA
 do
   javac $p.java ;
   native-image $p $p ;
-  rm $p.class $p.build_artifacts.txt ;
+  rm -f $p.class $p.build_artifacts.txt ;
 done
 ```