diff --git a/dlls/ntdll/tests/info.c b/dlls/ntdll/tests/info.c
index 5e9aa1343cf..7a641f8b84e 100644
--- a/dlls/ntdll/tests/info.c
+++ b/dlls/ntdll/tests/info.c
@@ -2266,7 +2266,6 @@ static void test_queryvirtualmemory(void)
     ok(mbi.State == MEM_COMMIT, "mbi.State is 0x%x, expected 0x%X\n", mbi.State, MEM_COMMIT);
     ok(mbi.Protect == PAGE_READONLY, "mbi.Protect is 0x%x\n", mbi.Protect);
     ok(mbi.Type == MEM_PRIVATE, "mbi.Type is 0x%x, expected 0x%x\n", mbi.Type, MEM_PRIVATE);
-    todo_wine
     ok(mbi.RegionSize == 0x1000, "mbi.RegionSize is 0x%lx, expected 0x%x\n", mbi.RegionSize, 0x1000);
 
     /* check error code when addr is higher than working set limit */
diff --git a/dlls/ntdll/thread.c b/dlls/ntdll/thread.c
index 78fe4e4fdf8..0fc8aa9e928 100644
--- a/dlls/ntdll/thread.c
+++ b/dlls/ntdll/thread.c
@@ -294,7 +294,7 @@ TEB *thread_init(void)
     /* reserve space for shared user data */
 
     addr = (void *)0x7ffe0000;
-    size = 0x10000;
+    size = 0x1000;
     status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size,
                                       MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
     if (status)