diff --git a/data/shaders/glow.frag b/data/shaders/glow.frag
index 175d50822..9545f51b6 100644
--- a/data/shaders/glow.frag
+++ b/data/shaders/glow.frag
@@ -10,7 +10,7 @@ void main()
 	vec4 col = texture2D(tex, coords);
 	float alpha = col.a;
 
-	if (alpha < 0.04) discard;
+	if (alpha < 0.04 || length(col.xyz) < 0.2) discard;
     
 	col *= vec4(vec3(4.0), 1.5);
     col.a *= 0.6;