1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/applications/networking/instant-messengers/discord/default.nix b/pkgs/applications/networking/instant-messengers/discord/default.nix
index 58bab558db746..f9604c2ce1664 100644
--- a/pkgs/applications/networking/instant-messengers/discord/default.nix
+++ b/pkgs/applications/networking/instant-messengers/discord/default.nix
@@ -52,7 +52,7 @@ let
     };
     aarch64-darwin = x86_64-darwin;
   };
-  src = srcs.${stdenv.hostPlatform.system}.${branch};
+  src = srcs.${stdenv.hostPlatform.system}.${branch} or (throw "${stdenv.hostPlatform.system} not supported on ${branch}");
 
   meta = with lib; {
     description = "All-in-one cross-platform voice and text chat for gamers";