diff --git a/data/shaders/splatting.frag b/data/shaders/splatting.frag
index 8fb96d066..ede2b6a47 100644
--- a/data/shaders/splatting.frag
+++ b/data/shaders/splatting.frag
@@ -41,7 +41,7 @@ void main() {
 	vec4 splatted = splatting.r * detail0 +
 			splatting.g * detail1 +
 			splatting.b * detail2 +
-			(1.0 - splatting.r - splatting.g - splatting.b) * detail3;
+			max(0., (1.0 - splatting.r - splatting.g - splatting.b)) * detail3;
 
    vec2 tc = gl_FragCoord.xy / screen;
    vec3 DiffuseComponent = texture(DiffuseMap, tc).xyz;