diff --git a/rfbplayer/rfbplayer.cxx b/rfbplayer/rfbplayer.cxx
index e771d81..b5e319c 100644
--- a/rfbplayer/rfbplayer.cxx
+++ b/rfbplayer/rfbplayer.cxx
@@ -1362,7 +1362,8 @@
   }
 
   fileName = strDup(argv[argc-1]);
-  return true;
+  if (fileName[0] == '-') return false;
+  else return true;
 }
 
 //