diff --git a/src/Record/Recorder.h b/src/Record/Recorder.h
index 1e73453d..e0fde02a 100644
--- a/src/Record/Recorder.h
+++ b/src/Record/Recorder.h
@@ -13,6 +13,7 @@
 
 #include <memory>
 #include <string>
+#include <cstdint>
 
 namespace mediakit {
 class MediaSinkInterface;