diff --git a/src/OdfGenerator.cxx b/src/OdfGenerator.cxx
index adf176b0a4..79de4dd2b7 100644
--- a/src/OdfGenerator.cxx
+++ b/src/OdfGenerator.cxx
@@ -33,6 +33,7 @@
 #include <math.h>

 #include <cctype>
+#include <cstdint>
 #include <limits>
 #include <string>
 #include <stack>