diff --git a/debian/control b/debian/control
index fb5f3df0..ffb605f6 100644
--- a/debian/control
+++ b/debian/control
@@ -94,7 +94,7 @@ Package: kali-themes-mobile
 Architecture: all
 Depends:
  kali-themes,
- kali-wallpapers-mobile-2022,
+ kali-wallpapers-mobile-2023,
  adw-gtk3-kali,
  ${misc:Depends},
 Description: Configure Phosh desktop to use the Kali theme
diff --git a/debian/kali-themes-mobile.postinst b/debian/kali-themes-mobile.postinst
index 3cdf91e2..fbe761e3 100644
--- a/debian/kali-themes-mobile.postinst
+++ b/debian/kali-themes-mobile.postinst
@@ -2,7 +2,7 @@
 
 comment="Wallpaper for mobile theme"
 
-if grep -q "${comment}" /usr/share/plasma/desktoptheme/kali/metadata.desktop; then
+if ! grep -q "${comment}" /usr/share/plasma/desktoptheme/kali/metadata.desktop; then
 	cat >> /usr/share/plasma/desktoptheme/kali/metadata.desktop <<- EOF
 	# $comment
 	[Wallpaper]