diff --git a/app/PreprocessedTerminal.qml b/app/PreprocessedTerminal.qml
index 11f6cc5..7720f49 100644
--- a/app/PreprocessedTerminal.qml
+++ b/app/PreprocessedTerminal.qml
@@ -220,7 +220,6 @@ Item{
         id: finalSource
         sourceItem: blurredterminal
         sourceRect: frame.sourceRect
-        //format: ShaderEffectSource.Alpha
         hideSource: true
     }
     ShaderEffect {
@@ -258,19 +257,18 @@ Item{
                             coords.x = floor(virtual_resolution.x * coords.x) / virtual_resolution.x;" : "")
                 : "") +
                 "coords = coords + delta;" +
-                "vec4 vcolor = texture2D(source, coords) * 256.0;
-                 float color = rgb2grey(vcolor);" +
+
+                "vec4 color = texture2D(source, coords) * 256.0;
+                 color.a = rgb2grey(color.rgb);" +
+
                 (mBlur !== 0 ?
-                    "vec4 blurredVcolor = texture2D(blurredSource, coords) * 256.0;" +
-                    "float blurredSourceColor = texture2D(blurredSource, coords).a * 256.0;" +
-                    "blurredSourceColor = blurredSourceColor - blurredSourceColor * " + (1.0 - motionBlurCoefficient) * fpsAttenuation+ ";" +
-                    "vcolor = step(1.0, color) * vcolor + step(color, 1.0) * blurredVcolor;" +
-                    "color = step(1.0, color) * color + step(color, 1.0) * blurredSourceColor;"
+                    "vec4 blur_color = texture2D(blurredSource, coords) * 256.0;" +
+                    "blur_color.a = blur_color.a - blur_color.a * " + (1.0 - motionBlurCoefficient) * fpsAttenuation+ ";" +
+                    "color = step(1.0, color.a) * color + step(color.a, 1.0) * blur_color;"
                 : "") +
 
 
-                "gl_FragColor = floor(vcolor) / 256.0;" +
-                "gl_FragColor.a = floor(color) / 256.0;" +
+                "gl_FragColor = floor(color) / 256.0;" +
             "}"
 
         onStatusChanged: if (log) console.log(log) //Print warning messages