diff --git a/pkgs/by-name/fx/fx/package.nix b/pkgs/by-name/fx/fx/package.nix
index 69c0bc0bc327..cbe60006ecba 100644
--- a/pkgs/by-name/fx/fx/package.nix
+++ b/pkgs/by-name/fx/fx/package.nix
@@ -32,6 +32,11 @@ buildGoModule (finalAttrs: {
       --zsh <($out/bin/fx --comp zsh)
   '';
 
+  checkFlags = lib.optionals (stdenv.hostPlatform.system == "x86_64-darwin") [
+    # flaky only on x86_64 darwin, https://hydra.nixos.org/build/319903711
+    "-skip=^TestSearchCaching"
+  ];
+
   nativeInstallCheckInputs = [
     versionCheckHook
     writableTmpDirAsHomeHook