1 files changed, 1 insertions, 0 deletions
diff --git a/src/utf.hh b/src/utf.hh
index 7625b1b..619f176 100644
--- a/src/utf.hh
+++ b/src/utf.hh
@@ -3,6 +3,7 @@
 #ifndef UTF_HH
 #define UTF_HH
 
+#include <cstdint>
 #include <string>
 
 char* read_utf8(char const* in, size_t max, uint32_t* out);