1 files changed, 2 insertions, 1 deletions
diff --git a/test/bun.js/os.test.js b/test/bun.js/os.test.js
index 87c03d5d4..122969337 100644
--- a/test/bun.js/os.test.js
+++ b/test/bun.js/os.test.js
@@ -110,7 +110,8 @@ it("networkInterfaces", () => {
       expect(typeof nI.family === "string").toBe(true);
       expect(typeof nI.mac === "string").toBe(true);
       expect(typeof nI.internal === "boolean").toBe(true);
-      expect(typeof nI.cidr).toBe("string");
+      if (nI.cidr)  // may be null
+        expect(typeof nI.cidr).toBe("string");
     }
   }
 });