diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 8bab7037138d32..fed0adb2373b43 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -43,7 +43,7 @@ Data members:
 #include <windows.h>
 #endif /* MS_WINDOWS */
 
-#ifdef MS_COREDLL
+#if defined(MS_WINDOWS) && defined(Py_ENABLE_SHARED)
 extern void *PyWin_DLLhModule;
 /* A string loaded from the DLL at startup: */
 extern const char *PyWin_DLLVersionString;
@@ -2923,7 +2923,7 @@ _PySys_InitCore(PyThreadState *tstate, PyObject *sysdict)
     SET_SYS_FROM_STRING("byteorder", "little");
 #endif
 
-#ifdef MS_COREDLL
+#if defined(MS_WINDOWS) && defined(Py_ENABLE_SHARED)
     SET_SYS("dllhandle", PyLong_FromVoidPtr(PyWin_DLLhModule));
     SET_SYS_FROM_STRING("winver", PyWin_DLLVersionString);
 #endif