diff --git a/src/map/hires/HiresFragmentShader.js b/src/map/hires/HiresFragmentShader.js
index c63235a..27f1d95 100644
--- a/src/map/hires/HiresFragmentShader.js
+++ b/src/map/hires/HiresFragmentShader.js
@@ -47,7 +47,7 @@ varying float vBlocklight;
 
 void main() {
 	vec4 color = texture(textureImage, vUv);
-	if (color.a == 0.0) discard;
+	if (color.a <= 0.01) discard;
 	
 	//apply vertex-color
 	color.rgb *= vColor.rgb;