diff --git a/config/desktop/focal/environments/budgie/debian/postinst b/config/desktop/focal/environments/budgie/debian/postinst
index a818ed38e6..c5240bb0e7 100755
--- a/config/desktop/focal/environments/budgie/debian/postinst
+++ b/config/desktop/focal/environments/budgie/debian/postinst
@@ -44,7 +44,7 @@ sidebar-bookmark-breakpoint=5
 [org/gnome/desktop/background]
 color-shading-type='solid'
 picture-options='stretched'
-picture-uri='file:////usr/share/backgrounds/armbian/armbian03-Dre0x-Minum-dark-3840x2160.jpg
+picture-uri='file:////usr/share/backgrounds/armbian/armbian03-Dre0x-Minum-dark-3840x2160.jpg'
 primary-color='#008094'
 
 [org/gnome/desktop/interface]