1 files changed, 4 insertions, 3 deletions
diff --git a/pkgs/applications/networking/browsers/firefox/wrapper.nix b/pkgs/applications/networking/browsers/firefox/wrapper.nix
index b428687025d..52fe1ffe2d0 100644
--- a/pkgs/applications/networking/browsers/firefox/wrapper.nix
+++ b/pkgs/applications/networking/browsers/firefox/wrapper.nix
@@ -27,6 +27,7 @@ let
       (lib.toUpper (lib.substring 0 1 applicationName) + lib.substring 1 (-1) applicationName)
     , nameSuffix ? ""
     , icon ? applicationName
+    , wmClass ? null
     , extraNativeMessagingHosts ? []
     , pkcs11Modules ? []
     , forceWayland ? false
@@ -159,11 +160,10 @@ let
         name = applicationName;
         exec = "${applicationName}${nameSuffix} %U";
         inherit icon;
-        comment = "";
         desktopName = "${desktopName}${nameSuffix}${lib.optionalString forceWayland " (Wayland)"}";
         genericName = "Web Browser";
-        categories = "Network;WebBrowser;";
-        mimeType = lib.concatStringsSep ";" [
+        categories = [ "Network" "WebBrowser" ];
+        mimeTypes = [
           "text/html"
           "text/xml"
           "application/xhtml+xml"
@@ -172,6 +172,7 @@ let
           "x-scheme-handler/https"
           "x-scheme-handler/ftp"
         ];
+        startupWMClass = wmClass;
       };
 
       nativeBuildInputs = [ makeWrapper lndir replace jq ];