diff --git a/modules/home/niri/config.kdl b/modules/home/niri/config.kdl
index 1b5bf7a..b9d5a03 100644
--- a/modules/home/niri/config.kdl
+++ b/modules/home/niri/config.kdl
@@ -339,6 +339,12 @@ window-rule {
     clip-to-geometry true
 }
 
+// Show Noctalia's blurred wallpaper behind workspaces in the overview.
+layer-rule {
+    match namespace="^noctalia-backdrop"
+    place-within-backdrop true
+}
+
 // Blur the content behind translucent Ghostty and Zen windows.
 window-rule {
     match app-id=r#"^com\.mitchellh\.ghostty$"#
diff --git a/modules/home/niri/default.nix b/modules/home/niri/default.nix
index 596416b..6cd1f9a 100644
--- a/modules/home/niri/default.nix
+++ b/modules/home/niri/default.nix
@@ -76,6 +76,7 @@ in
           # Niri blurs whatever shows through.
           background_opacity = 0.6;
         };
+        backdrop.enabled = true;
         theme = {
           mode = "dark";
           shell_mode = "dark";