diff --git a/effects/invert/data/invert.frag b/effects/invert/data/invert.frag
index 863c0cba46..ec1a375237 100644
--- a/effects/invert/data/invert.frag
+++ b/effects/invert/data/invert.frag
@@ -23,6 +23,7 @@ void main()
 
     tex *= modulation;
     tex.rgb = vec3(1.0) - tex.rgb;
+    tex.rgb *= tex.a;
 
     gl_FragColor = tex;
 }