diff --git a/upnp/src/inc/miniserver.h b/upnp/src/inc/miniserver.h
index eed6164..5ccd515 100644
--- a/upnp/src/inc/miniserver.h
+++ b/upnp/src/inc/miniserver.h
@@ -106,7 +106,7 @@ void SetSoapCallback(
 	/*! [in] SOAP Callback to be invoked . */
 	MiniServerCallback callback);
 #else  /* INCLUDE_DEVICE_APIS */
-static inline void SetSoapCallback(MiniServerCallback callback) {}
+static UPNP_INLINE void SetSoapCallback(MiniServerCallback callback) {}
 #endif /* INCLUDE_DEVICE_APIS */
 
 
diff --git a/upnp/src/inc/sock.h b/upnp/src/inc/sock.h
index b762b1a..7379384 100644
--- a/upnp/src/inc/sock.h
+++ b/upnp/src/inc/sock.h
@@ -154,7 +154,7 @@ int sock_destroy(
  *
  * \return -1 if an error occurred or if the socket is -1.
  */
-static inline int sock_close(
+static UPNP_INLINE int sock_close(
 	/*! Socket descriptor. */
 	SOCKET sock)
 {