diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index dc018bb5bd..652612e593 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -2751,8 +2751,8 @@ namespace OpenSim.Region.Framework.Scenes
                     {
                         DCFlagKeyPressed = true;
                         MovementFlag |= currflags;
-                        update_movementflag |= (currflags ^ oldflags) != 0;
-                        //update_movementflag |= currflags != 0;
+                        //update_movementflag |= (currflags ^ oldflags) != 0;
+                        update_movementflag = true;
 
                         if ((currflags & CONTROL_FLAG_NUDGE_MASK) != 0)
                         {
diff --git a/OpenSim/Region/PhysicsModules/BulletS/BSCharacter.cs b/OpenSim/Region/PhysicsModules/BulletS/BSCharacter.cs
index 3fd3f2f0cf..e61ed073a5 100755
--- a/OpenSim/Region/PhysicsModules/BulletS/BSCharacter.cs
+++ b/OpenSim/Region/PhysicsModules/BulletS/BSCharacter.cs
@@ -686,9 +686,9 @@ namespace OpenSim.Region.PhysicsModule.BulletS
             set { _PIDTau = value; }
         }
 
-        public override void AvatarJump(float forceZ)
+        public override void AvatarJump(float impulseZ)
         {
-            AddForce(false, new OMV.Vector3(0, 0, 0.22f * forceZ / PhysScene.m_fixedTimeStep));
+            AddForce(false, new OMV.Vector3(0, 0, 0.22f * impulseZ / PhysScene.m_fixedTimeStep));
         }
 
         public override void AddForce(OMV.Vector3 force, bool pushforce)
diff --git a/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs b/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs
index 49524ec0c6..d7c6d2067a 100644
--- a/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs
+++ b/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs
@@ -806,9 +806,9 @@ namespace OpenSim.Region.PhysicsModule.ubOde
             //m_lastUpdateSent = false;
         }
 
-        public override void AvatarJump(float forceZ)
+        public override void AvatarJump(float impulseZ)
         {
-            AddChange(changes.Force, new Vector3(0, 0, forceZ * m_sceneInverseTimeStep));
+            AddChange(changes.Force, new Vector3(0, 0, impulseZ * m_sceneInverseTimeStep));
         }
 
         public override void AddAngularForce(Vector3 force, bool pushforce)