diff --git a/conf/sources/fehler b/conf/sources/fehler
old mode 100644
new mode 100755
diff --git a/release.sh b/release.sh
index c409d02..62ea10b 100755
--- a/release.sh
+++ b/release.sh
@@ -1,3 +1,8 @@
+if [ $# -ne 1 ]; then
+   echo "$0: ccollect dir"
+   exit 23
+fi
+
 NAME=$1
 TARNAME=${NAME}.tar.bz2