diff --git a/pm_shared/pm_shared.c b/pm_shared/pm_shared.c
index d9df5f4f..e1db655f 100644
--- a/pm_shared/pm_shared.c
+++ b/pm_shared/pm_shared.c
@@ -2864,6 +2864,15 @@ void PM_CheckParamters( void )
 		pmove->maxspeed = min( maxspeed, pmove->maxspeed );
 	}
 
+	// Slow down, I'm pulling it! (a box maybe) but only when I'm standing on ground
+	//
+	// JoshA: Moved this to CheckParamters rather than working on the velocity,
+	// as otherwise it affects every integration step incorrectly.
+	if ((pmove->onground != -1) && (pmove->cmd.buttons & IN_USE))
+	{
+		pmove->maxspeed *= 1.0f / 3.0f;
+	}
+
 	if ( ( spd != 0.0 ) &&
 		 ( spd > pmove->maxspeed ) )
 	{
@@ -3036,14 +3045,6 @@ void PM_PlayerMove ( qboolean server )
 		}
 	}
 
-#if !defined( _TFC )
-	// Slow down, I'm pulling it! (a box maybe) but only when I'm standing on ground
-	if ( ( pmove->onground != -1 ) && ( pmove->cmd.buttons & IN_USE) )
-	{
-		VectorScale( pmove->velocity, 0.3, pmove->velocity );
-	}
-#endif
-
 	// Handle movement
 	switch ( pmove->movetype )
 	{