diff --git a/pkgs/applications/networking/instant-messengers/discord/base.nix b/pkgs/applications/networking/instant-messengers/discord/base.nix
index 4dadcb6ce232..6e4a914ecb0e 100644
--- a/pkgs/applications/networking/instant-messengers/discord/base.nix
+++ b/pkgs/applications/networking/instant-messengers/discord/base.nix
@@ -48,6 +48,7 @@ in stdenv.mkDerivation rec {
     inherit desktopName;
     genericName = meta.description;
     categories = "Network;InstantMessaging;";
+    mimeType = "x-scheme-handler/discord";
   };
 
   meta = with stdenv.lib; {