diff --git a/scripts/mvfotos.in b/scripts/mvfotos.in
index 939a596..f39d270 100755
--- a/scripts/mvfotos.in
+++ b/scripts/mvfotos.in
@@ -41,7 +41,7 @@ while [ $# -gt 0 ]; do
 	echo " --test     test only"
 	exit 0
     else
-	postfix=$(basename "$1" | tr '[:upper:]' '[:lower:]' | sed 's/[ ]/_/g')
+	postfix=$(basename "$1" | tr '[:upper:]' '[:lower:]' | sed 's,[/ ],_,g;s,[()\[\]{}],,g')
 	type=${globaltype:-${postfix##*.}}
 	date=
 	if [ "${exif//${type}/}" != "$exif" ]; then