Core/Movement: PropagateSpeedChange should only be called on the top (current active) movement generator

1 files changed, 8 insertions, 5 deletions

diff --git a/src/server/game/Movement/MotionMaster.cpp b/src/server/game/Movement/MotionMaster.cpp
index d834e2d6298..7c946f641c7 100644
--- a/src/server/game/Movement/MotionMaster.cpp
+++ b/src/server/game/Movement/MotionMaster.cpp
@@ -180,11 +180,14 @@ MovementGenerator* MotionMaster::GetMotionSlot(int slot) const
 
 void MotionMaster::PropagateSpeedChange()
 {
-    for (int i = 0; i <= _top; ++i)
-    {
-        if (_slot[i])
-            _slot[i]->UnitSpeedChanged();
-    }
+    if (empty())
+        return;
+
+    MovementGenerator* movement = top();
+    if (!movement)
+        return;
+
+    movement->UnitSpeedChanged();
 }
 
 bool MotionMaster::GetDestination(float &x, float &y, float &z)