diff --git a/src/emitterutils.cpp b/src/emitterutils.cpp
index fc41011a5..f801b1d0c 100644
--- a/src/emitterutils.cpp
+++ b/src/emitterutils.cpp
@@ -1,3 +1,4 @@
 #include <algorithm>
+#include <cstdint>
 #include <iomanip>
 #include <sstream>