diff --git a/libavcodec/kbdwin.h b/libavcodec/kbdwin.h
index 2e02e10764..4185c4206f 100644
--- a/libavcodec/kbdwin.h
+++ b/libavcodec/kbdwin.h
@@ -19,6 +19,8 @@
 #ifndef AVCODEC_KBDWIN_H
 #define AVCODEC_KBDWIN_H
 
+#include <stdint.h>
+
 /**
  * Maximum window size for ff_kbd_window_init.
  */