diff --git a/libavcodec/qsv_internal.h b/libavcodec/qsv_internal.h
index 6489836a67..6b2fbbe252 100644
--- a/libavcodec/qsv_internal.h
+++ b/libavcodec/qsv_internal.h
@@ -21,6 +21,8 @@
 #ifndef AVCODEC_QSV_INTERNAL_H
 #define AVCODEC_QSV_INTERNAL_H
 
+#include "config.h"
+
 #if CONFIG_VAAPI
 #define AVCODEC_QSV_LINUX_SESSION_HANDLE
 #endif //CONFIG_VAAPI