diff --git a/noson/src/audioformat.h b/noson/src/audioformat.h
index d6fa455..a128e0f 100644
--- a/noson/src/audioformat.h
+++ b/noson/src/audioformat.h
@@ -21,6 +21,7 @@
 
 #include "local_config.h"
 
+#include <cstdint>
 #include <string>
 
 namespace NSROOT
diff --git a/noson/src/filepicreader.h b/noson/src/filepicreader.h
index b7579d2..fb3cf55 100644
--- a/noson/src/filepicreader.h
+++ b/noson/src/filepicreader.h
@@ -25,6 +25,7 @@
 
 #include "streamreader.h"
 
+#include <cstdint>
 #include <string>
 #include <vector>