diff --git a/osal/inc/mpp_common.h b/osal/inc/mpp_common.h
index 2bf2856d..9519db59 100644
--- a/osal/inc/mpp_common.h
+++ b/osal/inc/mpp_common.h
@@ -125,9 +125,11 @@
 
 #include <direct.h>
 #include <io.h>
+#include <sys/stat.h>
 #define chdir                   _chdir
 #define mkdir                   _mkdir
 #define access                  _access
+#define off_t                   _off_t
 
 #define R_OK                    4 /* Test for read permission. */
 #define W_OK                    2 /* Test for write permission. */
diff --git a/osal/mpp_platform.cpp b/osal/mpp_platform.cpp
index 483adbe6..da1ee3af 100644
--- a/osal/mpp_platform.cpp
+++ b/osal/mpp_platform.cpp
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#include <unistd.h>
-
+#include "mpp_common.h"
 #include "mpp_platform.h"
 
 RK_U32 mpp_get_vcodec_hw_flag(void)