diff --git a/server/gameserver/mt/AI.cc b/server/gameserver/mt/AI.cc
index 92c81285..490ac8f5 100644
--- a/server/gameserver/mt/AI.cc
+++ b/server/gameserver/mt/AI.cc
@@ -109,7 +109,7 @@ namespace mt
 
     }
 
-    int AI::GetMoveIdleTime()
+    int AI::GetMoveIdleTime() const
     {
         return a8::RandEx(
                           std::get<0>(_random_move_idle_time),
@@ -117,7 +117,7 @@ namespace mt
                           );
     }
 
-    int AI::GetMoveTime()
+    int AI::GetMoveTime() const
     {
         return a8::RandEx(
                           std::get<0>(_random_move_time),
diff --git a/server/gameserver/mt/AI.h b/server/gameserver/mt/AI.h
index 3fda019b..29327fc9 100644
--- a/server/gameserver/mt/AI.h
+++ b/server/gameserver/mt/AI.h
@@ -13,8 +13,8 @@ namespace mt
 
         void Init1();
         void Init2();
-        int GetMoveIdleTime();
-        int GetMoveTime();
+        int GetMoveIdleTime() const;
+        int GetMoveTime() const;
 
         float _param1 = 0.0f;
         float _param2 = 0.0f;