diff --git a/pkgs/development/python-modules/langchain-xai/default.nix b/pkgs/development/python-modules/langchain-xai/default.nix
index f1126507fe82..62b7b4595438 100644
--- a/pkgs/development/python-modules/langchain-xai/default.nix
+++ b/pkgs/development/python-modules/langchain-xai/default.nix
@@ -1,5 +1,6 @@
 {
   lib,
+  stdenvNoCC,
   buildPythonPackage,
   fetchFromGitHub,
 
@@ -60,6 +61,13 @@ buildPythonPackage rec {
 
   pytestFlagsArray = [ "tests/unit_tests" ];
 
+  disabledTests =
+    lib.optionals (stdenvNoCC.hostPlatform.isLinux && stdenvNoCC.hostPlatform.isAarch64)
+      [
+        # Compares a diff to a string literal and misses platform differences
+        "test_serdes"
+      ];
+
   pythonImportsCheck = [ "langchain_xai" ];
 
   passthru.updateScript = gitUpdater {