diff --git a/libretro-common/file/nbio/nbio_intf.c b/libretro-common/file/nbio/nbio_intf.c
index ee9a9f6af3..4b7872c01d 100644
--- a/libretro-common/file/nbio/nbio_intf.c
+++ b/libretro-common/file/nbio/nbio_intf.c
@@ -38,7 +38,7 @@ extern nbio_intf_t nbio_stdio;
 static nbio_intf_t *internal_nbio = &nbio_linux;
 #elif defined(HAVE_MMAP) && defined(BSD) && !defined(__MACH__)
 static nbio_intf_t *internal_nbio = &nbio_mmap_unix;
-#elif defined(HAVE_MMAP) && defined(_WIN32)
+#elif defined(_WIN32) && !defined(_XBOX)
 static nbio_intf_t *internal_nbio = &nbio_mmap_win32;
 #else
 static nbio_intf_t *internal_nbio = &nbio_stdio;
diff --git a/libretro-common/file/nbio/nbio_windowsmmap.c b/libretro-common/file/nbio/nbio_windowsmmap.c
index 33b573dfd4..58329ad078 100644
--- a/libretro-common/file/nbio/nbio_windowsmmap.c
+++ b/libretro-common/file/nbio/nbio_windowsmmap.c
@@ -20,7 +20,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#if defined(HAVE_MMAP) && defined(_WIN32)
+#if defined(_WIN32) && !defined(_XBOX)
 
 #include <stdio.h>
 #include <stdlib.h>