diff --git a/resources/ui/gtk4/SnapOfDisintegration.ui b/resources/ui/gtk4/SnapOfDisintegration.ui
index fd4f0de..098c3cd 100644
--- a/resources/ui/gtk4/SnapOfDisintegration.ui
+++ b/resources/ui/gtk4/SnapOfDisintegration.ui
@@ -84,7 +84,7 @@
                         <property name="width-request">300</property>
                         <property name="adjustment">
                           <object class="GtkAdjustment" id="snap-scale">
-                            <property name="upper">5</property>
+                            <property name="upper">20</property>
                             <property name="lower">0.1</property>
                             <property name="step-increment">0.01</property>
                             <property name="page-increment">0.1</property>
@@ -122,7 +122,7 @@
                     </child>
                     <child>
                       <object class="GtkColorButton" id="snap-color">
-                        <property name="use_alpha">0</property>
+                        <property name="use_alpha">1</property>
                         <property name="show_editor">1</property>
                       </object>
                     </child>
diff --git a/schemas/org.gnome.shell.extensions.burn-my-windows.gschema.xml b/schemas/org.gnome.shell.extensions.burn-my-windows.gschema.xml
index 45b3846..99f1bee 100644
--- a/schemas/org.gnome.shell.extensions.burn-my-windows.gschema.xml
+++ b/schemas/org.gnome.shell.extensions.burn-my-windows.gschema.xml
@@ -444,7 +444,7 @@
     </key>
 
     <key name="snap-scale" type="d">
-      <default>2.0</default>
+      <default>3.0</default>
       <summary>Snap Scale</summary>
       <description>The size of the snap effect.</description>
     </key>
diff --git a/src/SnapOfDisintegration.js b/src/SnapOfDisintegration.js
index c6c2bf0..7a94ed4 100644
--- a/src/SnapOfDisintegration.js
+++ b/src/SnapOfDisintegration.js
@@ -153,9 +153,8 @@ if (utils.isInShellProcess()) {
         const float WIND_INTENSITY   = 0.05;
         const float ACTOR_SCALE      = 1.2;
         const float PADDING          = ACTOR_SCALE / 2.0 - 0.5;
-        const vec3  DUST_COLOR       = vec3(${color.red / 255},
-                                            ${color.green / 255},
-                                            ${color.blue / 255});
+        const vec4  DUST_COLOR       = vec4(${color.red / 255},  ${color.green / 255},
+                                            ${color.blue / 255}, ${color.alpha / 255});
         void main() {
 
           // We simply inverse the progress for opening windows.
@@ -212,7 +211,8 @@ if (utils.isInShellProcess()) {
 
               // Fade the window color to DUST_COLOR.
               vec4 windowColor = texture2D(uTexture, coords + 0.5);
-              windowColor.rgb = mix(windowColor.rgb, DUST_COLOR*windowColor.a, progress);
+              vec3 dustColor = mix(windowColor.rgb, DUST_COLOR.rgb, DUST_COLOR.a);
+              windowColor.rgb = mix(windowColor.rgb, dustColor*windowColor.a, progress);
 
               // Dissolve the dust particles.
               float dissolve = (dustMap.x - progress) > 0 ? 1 : 0;