diff --git a/resources/shaders/variable_layer_height.fs b/resources/shaders/variable_layer_height.fs
index f87e6627e..934eb7758 100644
--- a/resources/shaders/variable_layer_height.fs
+++ b/resources/shaders/variable_layer_height.fs
@@ -36,5 +36,5 @@ void main()
                      texture2D(z_texture, vec2(z_texture_col, z_texture_row_to_normalized * (z_texture_row * 2. + 1.)),  10000.), lod);
             
     // Mix the final color.
-    gl_FragColor = vec4(intensity.y, intensity.y, intensity.y, 1.0) +  intensity.x * mix(color, vec4(1.0, 1.0, 0.0, 1.0), z_blend);
+    gl_FragColor = vec4(vec3(intensity.y), 1.0) +  intensity.x * mix(color, vec4(1.0, 1.0, 0.0, 1.0), z_blend);
 }