diff --git a/lib/rbx_loader/src/rbx.rs b/lib/rbx_loader/src/rbx.rs
index 8ae82ceaf..8f332a3ae 100644
--- a/lib/rbx_loader/src/rbx.rs
+++ b/lib/rbx_loader/src/rbx.rs
@@ -56,15 +56,19 @@ fn get_attributes(name:&str,can_collide:bool,velocity:Planar64Vec3,model_id:mode
 	let mut contacting=attr::ContactingAttributes::default();
 	let mut force_can_collide=can_collide;
 	let mut force_intersecting=false;
+	let mut allow_booster=true;
 	match name{
 		"Water"=>{
 			force_can_collide=false;
+			allow_booster=false;
 			//TODO: read stupid CustomPhysicalProperties
 			intersecting.water=Some(attr::IntersectingWater{density:Planar64::ONE,viscosity:Planar64::ONE/10,velocity});
 		},
 		"Accelerator"=>{
 			//although the new game supports collidable accelerators, this is a roblox compatability map loader
 			force_can_collide=false;
+			// Accelerator is not allowed to be booster in roblox
+			allow_booster=false;
 			general.accelerator=Some(attr::Accelerator{acceleration:velocity});
 		},
 		// "UnorderedCheckpoint"=>general.teleport_behaviour=Some(model::TeleportBehaviour::StageElement(attr::StageElement{
@@ -73,7 +77,10 @@ fn get_attributes(name:&str,can_collide:bool,velocity:Planar64Vec3,model_id:mode
 		// 	force:false,
 		// 	behaviour:model::StageElementBehaviour::Unordered
 		// })),
-		"SetVelocity"=>general.trajectory=Some(attr::SetTrajectory::Velocity(velocity)),
+		"SetVelocity"=>{
+			allow_booster=false;
+			general.trajectory=Some(attr::SetTrajectory::Velocity(velocity));
+		},
 		"MapStart"=>{
 			force_can_collide=false;
 			force_intersecting=true;
@@ -233,7 +240,7 @@ fn get_attributes(name:&str,can_collide:bool,velocity:Planar64Vec3,model_id:mode
 		}
 	}
 	//need some way to skip this
-	if velocity!=vec3::ZERO{
+	if allow_booster&&velocity!=vec3::ZERO{
 		general.booster=Some(attr::Booster::Velocity(velocity));
 	}
 	match force_can_collide{