diff --git a/src/client/cross-spawn.test.ts b/src/client/cross-spawn.test.ts
index 98454a9a..724ec706 100644
--- a/src/client/cross-spawn.test.ts
+++ b/src/client/cross-spawn.test.ts
@@ -73,8 +73,8 @@ describe("StdioClientTransport using cross-spawn", () => {
       [],
       expect.objectContaining({
         env: {
+          ...getDefaultEnvironment(),
           ...customEnv,
-          ...getDefaultEnvironment()
         }
       })
     );