--- a/ai/trolly/trolly.c	Tue Dec 13 20:20:44 2005 +0000
+++ b/ai/trolly/trolly.c	Tue Dec 13 21:21:57 2005 +0000
@@ -45,7 +45,7 @@
 	// We first have to init some things
 
 	if (_current_player == 1 || _ai.network_client) {
-		ShowErrorMessage(-1, TEMP_AI_IN_PROGRESS, 0, 0);
+		ShowErrorMessage(INVALID_STRING_ID, TEMP_AI_IN_PROGRESS, 0, 0);
 	}
 
 	// The PathFinder (AyStar)