diff --git a/pkgs/by-name/be/beeper/package.nix b/pkgs/by-name/be/beeper/package.nix
index e9ca8fc99436..cd0c7fcdaba1 100644
--- a/pkgs/by-name/be/beeper/package.nix
+++ b/pkgs/by-name/be/beeper/package.nix
@@ -23,7 +23,7 @@ let
       echo "export function registerLinuxConfig() {}" > $linuxConfigFilename
 
       # disable auto update
-      sed -i 's/[^=]*\.auto_update_disabled/true/' $out/resources/app/build/main/main-entry-*.mjs
+      sed -i 's/auto_update_disabled:[^,}]*/auto_update_disabled:true/g' $out/resources/app/build/main/main-entry-*.mjs
 
       # prevent updates
       sed -i -E 's/executeDownload\([^)]+\)\{/executeDownload(){return;/g' $out/resources/app/build/main/main-entry-*.mjs