diff --git a/scripts/check-kernel-commit b/scripts/check-kernel-commit
index e9c87b4..57b5642 100755
--- a/scripts/check-kernel-commit
+++ b/scripts/check-kernel-commit
@@ -18,11 +18,12 @@ fetch_branches()
     local URL="https://kerncvs.suse.de/branches.conf"
     local EXPIRE=7
     branches=$CACHED_BRANCHES
-    if [[ $(find "$CACHED_BRANCHES" -mtime -$EXPIRE -print 2>/dev/null) ]]; then
+    if [[ $(find "$CACHED_BRANCHES" -mtime -$EXPIRE -print 2>/dev/null) \
+            && -s "$CACHED_BRANCHES" ]]; then
         echo "Using cached $CACHED_BRANCHES" >&2
         return
     fi
-    curl "$URL" >$CACHED_BRANCHES
+    curl "$URL" -o "$CACHED_BRANCHES"
 }
 
 if [ $# -lt 1 ] ; then