diff --git a/shell/plugins/background/Background.qml b/shell/plugins/background/Background.qml
index 6f692677..d5e0741d 100644
--- a/shell/plugins/background/Background.qml
+++ b/shell/plugins/background/Background.qml
@@ -274,7 +274,7 @@ Item {
     property: "revealProgress"
     from: 0
     to: 1
-    duration: Style.duration(420)
+    duration: Style.duration(840)
     easing.type: Easing.OutCubic
     onFinished: {
       if (root.incomingBackground) {
diff --git a/test/shell.d/background-test.sh b/test/shell.d/background-test.sh
index 2a0d832d..fa9a1442 100644
--- a/test/shell.d/background-test.sh
+++ b/test/shell.d/background-test.sh
@@ -74,4 +74,9 @@ assert(
     /function prepareBackground[\s\S]*?requestNativeSize\(path\)/.test(backgroundQml),
   'background never probes videos and probes a prepared frame ahead of its transition'
 )
+
+assert(
+  /id: revealAnimation[\s\S]*?duration: Style\.duration\(840\)/.test(backgroundQml),
+  'background reveal takes 840ms'
+)
 JS