When the player turns around the idle animation plays for one frame.

So i have this problem with the animations. The idle animation plays when the player turns around (while running). This is how it looks: youtube video

And this is the “player” script:

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Player : MonoBehaviour {
    public float maxspeed = 3;
    public float speed = 50f;
    public float jumppower = 150f;
    float size = 0.2f;
    public bool grounded;
    private Rigidbody2D rb2d;
    private Animator anim;
    
    
	void Start () {
        //player movement
        rb2d = gameObject.GetComponent<Rigidbody2D>();
        anim = gameObject.GetComponent<Animator>();
	}

    void Update()
    {

        anim.SetBool("Grounded", grounded);
        anim.SetFloat("Speed", Mathf.Abs(Input.GetAxis("Horizontal")));
        if (Input.GetAxis("Horizontal") < -0.1f)
        {
            transform.localScale = new Vector3(-size , size , size);
        }
        if (Input.GetAxis("Horizontal") > 0.1f)
        {
            transform.localScale = new Vector3(size, size, size);

        }

    }
    void FixedUpdate()
    {

        float h = Input.GetAxis("Horizontal");
        //limiting the speed
        rb2d.velocity = new Vector2(h * maxspeed, rb2d.velocity.y);
        
        rb2d.AddForce((Vector2.right * speed) * h);

        if (rb2d.velocity.x < -maxspeed)
        {
            rb2d.velocity = new Vector2(-maxspeed, rb2d.velocity.y);
        }


    }
}

What are the parameters and states on your animation controller?