diff --git a/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp b/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp
index c0a3e167d..241e8f269 100644
--- a/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp
+++ b/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp
@@ -2024,7 +2024,7 @@ int CLuaIHMRyzom::getIslandId(CLuaState &ls)
 
 // ***************************************************************************
 //
-// addShape("shape", x, y, z, "angle", scale, collision?)
+// addShape("shape", .x, .y, .z, "angle", .scale, collision?, "context", "url", highlight?, transparency?, "texture", "skeleton")
 //
 //********
 int CLuaIHMRyzom::addShape(CLuaState &ls)
diff --git a/code/ryzom/client/src/net_manager.cpp b/code/ryzom/client/src/net_manager.cpp
index 42285a167..2742edeff 100644
--- a/code/ryzom/client/src/net_manager.cpp
+++ b/code/ryzom/client/src/net_manager.cpp
@@ -1404,12 +1404,19 @@ void impulseCorrectPos(NLMISC::CBitMemStream &impulse)
 
 	if(UserEntity->mode() != MBEHAV::COMBAT_FLOAT)
 	{
-		// Compute the destination.
-		CVectorD dest = CVectorD((float)x/1000.0f, (float)y/1000.0f, (float)z/1000.0f);
-		// Update the position for the vision.
-		NetMngr.setReferencePosition(dest);
-		// Change the user poisition.
-		UserEntity->correctPos(dest);
+		if (x == 0) // Get SpeedAdjustement
+		{
+			UserEntity->setSpeedServerAdjust((float)y/1000.0f);
+		}
+		else
+		{
+			// Compute the destination.
+			CVectorD dest = CVectorD((float)x/1000.0f, (float)y/1000.0f, (float)z/1000.0f);
+			// Update the position for the vision.
+			NetMngr.setReferencePosition(dest);
+			// Change the user poisition.
+			UserEntity->correctPos(dest);
+		}
 	}
 }// impulseCorrectPos //
 
diff --git a/code/ryzom/client/src/user_entity.cpp b/code/ryzom/client/src/user_entity.cpp
index cad200aeb..7ae8cec5d 100644
--- a/code/ryzom/client/src/user_entity.cpp
+++ b/code/ryzom/client/src/user_entity.cpp
@@ -1218,6 +1218,7 @@ void CUserEntity::applyMotion(CEntityCL *target)
 		// don't increase speed
 		clamp(modif, 0.0, 1.0);
 		speed *= modif;
+		speed *= _SpeedServerAdjust;
 		// Move
 		_HasMoved = true;
 		_Primitive->move(speed, dynamicWI);
@@ -1227,6 +1228,7 @@ void CUserEntity::applyMotion(CEntityCL *target)
 	// Third Person View
 	else
 	{
+		speed *= _SpeedServerAdjust;
 		speed += pos();
 		sint64 x = (sint64)((sint32)(speed.x * 1000.0));
 		sint64 y = (sint64)((sint32)(speed.y * 1000.0));
@@ -1243,6 +1245,9 @@ void CUserEntity::applyMotion(CEntityCL *target)
 			mount->_Stages.addStage(NetMngr.getCurrentClientTick()+time, CLFECOMMON::PROPERTY_POSZ, z);
 		}
 	}
+
+	_SpeedServerAdjust += 0.05;
+	clamp(_SpeedServerAdjust, 0.8, 1.0);
 }// applyMotion //
 
 
diff --git a/code/ryzom/client/src/user_entity.h b/code/ryzom/client/src/user_entity.h
index 7e693536b..fc6d56ea1 100644
--- a/code/ryzom/client/src/user_entity.h
+++ b/code/ryzom/client/src/user_entity.h
@@ -297,6 +297,8 @@ public:
 	// get the velocity vector of the entity
 	NLMISC::CVector getVelocity() const;
 
+	inline void setSpeedServerAdjust(float speed) {_SpeedServerAdjust = speed;}
+
 	/// Check if the mount is able to run, and force walking mode if not
 	void checkMountAbleToRun();
 
@@ -423,6 +425,7 @@ public:
 	void tp(const NLMISC::CVectorD &dest);
 	/// Teleport the player to correct his position.
 	void correctPos(const NLMISC::CVectorD &dest);
+	
 	/// Skill Up
 	void skillUp();
 	/// get the level of the player (max of all skills)
@@ -545,6 +548,8 @@ protected:
 	/// Velocity : Front and Lateral
 	float						_FrontVelocity;
 	float						_LateralVelocity;
+	/// Speed adjustement from gpms
+	float						_SpeedServerAdjust;
 	/// Head Pitch
 	double						_HeadPitch;
 	/// Height of the eyes (camera).