diff --git a/addons/ShaderLib/UV/SwirlUV.gdshaderinc b/addons/ShaderLib/UV/SwirlUV.gdshaderinc
index e776d71..e427a7d 100644
--- a/addons/ShaderLib/UV/SwirlUV.gdshaderinc
+++ b/addons/ShaderLib/UV/SwirlUV.gdshaderinc
@@ -1,6 +1,6 @@
 vec2 swirl_uv(vec2 uv, vec2 center, float strength, vec2 offset){
 	vec2 _delta = uv - center;
-	float _angle = strength * pow(1. - length(_delta), 3);
+	float _angle = strength * max(pow(1. - length(_delta), 3), 0);
 	mat2 _rotation = mat2(
 		vec2(cos(_angle), -sin(_angle)),
 		vec2(sin(_angle), cos(_angle))