diff --git a/Modules/_winapi.c b/Modules/_winapi.c
index 9aff28173a5042..02817e09b936f3 100644
--- a/Modules/_winapi.c
+++ b/Modules/_winapi.c
@@ -609,7 +609,7 @@ _winapi_CreateJunction_impl(PyObject *module, LPCWSTR src_path,
         /* overallocate by a few array elements */
         LUID_AND_ATTRIBUTES privs[4];
     } tp, previousTp;
-    int previousTpSize = 0;
+    DWORD previousTpSize = 0;
 
     /* Reparse data buffer */
     const USHORT prefix_len = 4;