diff --git a/src/qscint/src/xmlMatchedTagsHighlighter.h b/src/qscint/src/xmlMatchedTagsHighlighter.h
index fec5211..17f3d4a 100755
--- a/src/qscint/src/xmlMatchedTagsHighlighter.h
+++ b/src/qscint/src/xmlMatchedTagsHighlighter.h
@@ -20,6 +20,7 @@
 //#include <windows.h>
 #include <string>
 #include <vector>
+#include <cstdint>
 
 class QsciScintilla;