diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index 339a4bc4..2aedbb3e 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -3202,10 +3202,10 @@ float Creature::GetSpeed()
                 ruduce += GetHeroMeta()->medicine_speed();
             }
         } else  if (HasBuffEffect(kBET_InWater)) {
-            if (GetHeroMeta()->medicine_speed() > ONE_LIMIT) {
-                addition += GetHeroMeta()->medicine_speed();
+            if (GetHeroMeta()->swim_speed() > ONE_LIMIT) {
+                addition += GetHeroMeta()->swim_speed();
             } else {
-                ruduce += GetHeroMeta()->medicine_speed();
+                ruduce += GetHeroMeta()->swim_speed();
             }
         } else  if (shot_hold &&
                     GetCurrWeapon() &&