diff -r e7693a7bb280 -r cd3f2d07199f src/ai/ai_info.cpp
--- a/src/ai/ai_info.cpp	Thu Jun 12 18:14:06 2008 +0000
+++ b/src/ai/ai_info.cpp	Thu Jun 12 19:47:02 2008 +0000
@@ -159,5 +159,5 @@
 	int version = GetParam(SQConvert::ForceType<int>(), vm, 4, &ptr);
 
 	if (!AI_ImportLibrary(library, class_name, version, vm)) return -1;
-	return 0;
+	return 1;
 }