diff --git a/build.sh b/build.sh
index a805066..f2b8718 100644
--- a/build.sh
+++ b/build.sh
@@ -6,4 +6,4 @@ rm manifest.json robots.txt.tmp
 mkdir ./feeds/circl/stix-2.1/
 cd ./feeds/circl/stix-2.1/
 ls -1 ../misp/*-*.json | parallel "misp_stix_converter -v2.1 -e -f {}"
-mmv "../misp/*.json.out" "#1.json"
+mmv -d "../misp/*.json.out" "#1.json"