diff --git a/libs/ui/source/painter_impl.cpp b/libs/ui/source/painter_impl.cpp
index d48642b5..39fe3063 100644
--- a/libs/ui/source/painter_impl.cpp
+++ b/libs/ui/source/painter_impl.cpp
@@ -82,6 +82,7 @@ out vec4 out_color;
 void main()
 {
 	vec4 tex_color = texture(u_texture, texcoord);
+	if (tex_color.a == 0.0) discard;
 	out_color = vec4(mix(tex_color.rgb, color.rgb, color.a), tex_color.a);
 }
 )";
@@ -99,6 +100,7 @@ out vec4 out_color;
 void main()
 {
 	vec4 tex_color = texture(u_texture, texcoord);
+	if (tex_color.a == 0.0) discard;
 	out_color = tex_color * color;
 }
 )";