1 files changed, 1 insertions, 0 deletions
diff --git a/include/tagfwd.h b/include/tagfwd.h
index 622e39d056..178edd7e47 100644
--- a/include/tagfwd.h
+++ b/include/tagfwd.h
@@ -22,6 +22,7 @@
  */
 #ifndef TAGFWD_H_INCLUDED
 #define TAGFWD_H_INCLUDED
+#include <cstdint>
 
 namespace nbt
 {