diff --git a/libavcodec/libgsm.c b/libavcodec/libgsm.c
index cb85f02a18..52d8b93749 100644
--- a/libavcodec/libgsm.c
+++ b/libavcodec/libgsm.c
@@ -30,6 +30,7 @@
 #include <gsm/gsm.h>
 
 #include "avcodec.h"
+#include "internal.h"
 #include "gsm.h"
 
 static av_cold int libgsm_encode_init(AVCodecContext *avctx) {
diff --git a/libavcodec/libopencore-amr.c b/libavcodec/libopencore-amr.c
index 1e567f4278..27a399d796 100644
--- a/libavcodec/libopencore-amr.c
+++ b/libavcodec/libopencore-amr.c
@@ -20,6 +20,7 @@
  */
 
 #include "avcodec.h"
+#include "internal.h"
 #include "libavutil/avstring.h"
 #include "libavutil/opt.h"