--- ci.c	2018/02/03 12:55:03	4.20
+++ ci.c	2018/03/19 16:37:03
@@ -2993,6 +2993,8 @@
 
 void cChannelCamRelations::Save(void)
 {
+  if (!*fileName)
+     return;
   cMutexLock MutexLock(&mutex);
   struct stat st;
   if (stat(fileName, &st) == 0) {