diff --git a/Lib/test/test_pathlib/test_pathlib.py b/Lib/test/test_pathlib/test_pathlib.py
index 13356b4cfe082b..b2e2cdb3338beb 100644
--- a/Lib/test/test_pathlib/test_pathlib.py
+++ b/Lib/test/test_pathlib/test_pathlib.py
@@ -2954,7 +2954,13 @@ def test_glob_dotdot(self):
         else:
             # ".." segments are normalized first on Windows, so this path is stat()able.
             self.assertEqual(set(p.glob("xyzzy/..")), { P(self.base, "xyzzy", "..") })
-        self.assertEqual(set(p.glob("/".join([".."] * 50))), { P(self.base, *[".."] * 50)})
+        if sys.platform == "emscripten":
+            # Emscripten will return ELOOP if there are 49 or more ..'s.
+            # Can remove when https://github.com/emscripten-core/emscripten/pull/24591 is merged.
+            NDOTDOTS = 48
+        else:
+            NDOTDOTS = 50
+        self.assertEqual(set(p.glob("/".join([".."] * NDOTDOTS))), { P(self.base, *[".."] * NDOTDOTS)})
 
     def test_glob_inaccessible(self):
         P = self.cls