diff --git a/libavcodec/wmaprodata.h b/libavcodec/wmaprodata.h
index 3ca3d46d4f..4dd5c7ebed 100644
--- a/libavcodec/wmaprodata.h
+++ b/libavcodec/wmaprodata.h
@@ -28,6 +28,9 @@
 #ifndef AVCODEC_WMAPRODATA_H
 #define AVCODEC_WMAPRODATA_H
 
+#include <stddef.h>
+#include <stdint.h>
+
 /**
  * @brief frequencies to divide the frequency spectrum into scale factor bands
  */