diff --git a/data/dev.sinty.desktop.gschema.xml b/data/dev.sinty.desktop.gschema.xml
index 49fbb22..d7d02b8 100644
--- a/data/dev.sinty.desktop.gschema.xml
+++ b/data/dev.sinty.desktop.gschema.xml
@@ -140,6 +140,20 @@
       <summary>Dynamic Wallpaper Location</summary>
       <description>Latitude and longitude ("45.46,9.19") used to follow the sun. Empty uses the coordinates of the time zone, without any network access.</description>
     </key>
+    <key name="wallpaper-effect" type="s">
+      <choices>
+        <choice value="none"/>
+        <choice value="grayscale"/>
+        <choice value="blur"/>
+      </choices>
+      <default>'none'</default>
+      <summary>Wallpaper image effect</summary>
+    </key>
+    <key name="wallpaper-effect-blur-radius" type="i">
+      <range min="1" max="64"/>
+      <default>8</default>
+      <summary>Wallpaper blur radius</summary>
+    </key>
     <key name="background-attribution-title" type="s">
       <default>''</default>
       <summary>Attribution title for the current background</summary>