diff --git a/vpx/vpx_codec.h b/vpx/vpx_codec.h
index d92e165ff..243b7a507 100644
--- a/vpx/vpx_codec.h
+++ b/vpx/vpx_codec.h
@@ -49,15 +49,22 @@ extern "C" {
 #ifndef DEPRECATED
 #if defined(__GNUC__) && __GNUC__
 #define DEPRECATED          __attribute__ ((deprecated))
-#define DECLSPEC_DEPRECATED /**< \copydoc #DEPRECATED */
 #elif defined(_MSC_VER)
 #define DEPRECATED
-#define DECLSPEC_DEPRECATED __declspec(deprecated) /**< \copydoc #DEPRECATED */
 #else
 #define DEPRECATED
+#endif
+#endif  /* DEPRECATED */
+
+#ifndef DECLSPEC_DEPRECATED
+#if defined(__GNUC__) && __GNUC__
+#define DECLSPEC_DEPRECATED /**< \copydoc #DEPRECATED */
+#elif defined(_MSC_VER)
+#define DECLSPEC_DEPRECATED __declspec(deprecated) /**< \copydoc #DEPRECATED */
+#else
 #define DECLSPEC_DEPRECATED /**< \copydoc #DEPRECATED */
 #endif
-#endif
+#endif  /* DECLSPEC_DEPRECATED */
 
     /*!\brief Decorator indicating a function is potentially unused */
 #ifdef UNUSED