diff --git a/pkgs/by-name/ll/llama-swap/package.nix b/pkgs/by-name/ll/llama-swap/package.nix
index fab218337285..0f8f9c8c9a0e 100644
--- a/pkgs/by-name/ll/llama-swap/package.nix
+++ b/pkgs/by-name/ll/llama-swap/package.nix
@@ -88,7 +88,7 @@ buildGoModule (finalAttrs: {
 
   checkFlags =
     let
-      skippedTests = lib.optionals (stdenv.hostPlatform.isDarwin) [
+      skippedTests = lib.optionals stdenv.hostPlatform.isDarwin [
         # Fail only on *-darwin intermittently
         # https://github.com/mostlygeek/llama-swap/issues/320
         "TestProcess_AutomaticallyStartsUpstream"