diff --git a/Lib/test/leakers/test_ctypes.py b/Lib/test/leakers/test_ctypes.py
index 42b1c8d3139..0f9a2cdc9a1 100644
--- a/Lib/test/leakers/test_ctypes.py
+++ b/Lib/test/leakers/test_ctypes.py
@@ -1,11 +1,16 @@
 
-# Taken from Lib/ctypes/test/test_keeprefs.py
+# Taken from Lib/ctypes/test/test_keeprefs.py, PointerToStructure.test().
 # When this leak is fixed, remember to remove from Misc/build.sh LEAKY_TESTS.
 
-from ctypes import Structure, c_int
+from ctypes import Structure, c_int, POINTER
+import gc
 
-def leak():
+def leak_inner():
     class POINT(Structure):
         _fields_ = [("x", c_int)]
     class RECT(Structure):
-        _fields_ = [("ul", POINT)]
+        _fields_ = [("a", POINTER(POINT))]
+
+def leak():
+    leak_inner()
+    gc.collect()