diff --git a/Lib/test/test_imp.py b/Lib/test/test_imp.py
index 96771d8ba53..fe436f39850 100644
--- a/Lib/test/test_imp.py
+++ b/Lib/test/test_imp.py
@@ -241,7 +241,8 @@ def test_load_module_extension_file_is_None(self):
         # Issue #15902
         name = '_heapq'
         found = imp.find_module(name)
-        found[0].close()
+        if found[0] is not None:
+            found[0].close()
         if found[2][2] != imp.C_EXTENSION:
             return
         imp.load_module(name, None, *found[1:])