1 files changed, 1 insertions, 0 deletions
diff --git a/init.moon b/init.moon
index 8bb80e6..f86b175 100644
--- a/init.moon
+++ b/init.moon
@@ -16,6 +16,7 @@ for a in *arg
 
 Logger.init arguments.log
 
+assert arguments[1], "no filename given"
 copilot = Copilot arguments[1]
 
 while true