Rigidbody Sticks to Walls

Hi, I've searched around for a answer but can't find one. Anyway, my rigidbody works fine except when it touches a wall when I jump and I hold forward it sticks the the wall. Anyone able to fix this?

 using UnityEngine;
 using System.Collections;
 
 public class RigidController : MonoBehaviour {
     
     public float walkSpeed = 10;
     public float runSpeed = 20;
     public float jumpForce = 200;
     public float SpeedLimit = 50;
     public bool isGrounded = false;
     public bool inFront = false;
     
     public LayerMask rayMask;
     public float groundedCheckDist = 1;
     public float moveCheckDist = 1;
     
     private float Speed = 10;
 
     void FixedUpdate () {
         inFront = Physics.Raycast (transform.position, transform.forward, moveCheckDist, rayMask);
         isGrounded = Physics.Raycast (transform.position, -transform.up, groundedCheckDist, rayMask);
         Speed = Input.GetButton("Run") ? runSpeed : walkSpeed;
         
         transform.rotation = Quaternion.Euler(Vector3.up * Camera.main.transform.localEulerAngles.y);
 
         rigidbody.velocity = transform.TransformDirection(new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical")).normalized) * Speed + Vector3.up * ((Input.GetButtonDown ("Jump") && isGrounded) ? jumpForce : rigidbody.velocity.y);
         rigidbody.velocity = Mathf.Clamp(rigidbody.velocity.magnitude, 0 , SpeedLimit) * rigidbody.velocity.normalized;
     }
 }