1 files changed, 1 insertions, 1 deletions
diff --git a/engines/hdb/ai.h b/engines/hdb/ai.h
index 1a86f2422c..cef784d079 100644
--- a/engines/hdb/ai.h
+++ b/engines/hdb/ai.h
@@ -372,7 +372,7 @@ struct AIEntTypeInfo {
 	void (*initFunc2)(AIEntity *e);
 };
 
-AIEntTypeInfo aiEntList[];
+extern AIEntTypeInfo aiEntList[];
 
 struct CineCommand {
 	CineType cmdType;