--- a/libgixpp/ESQLDefinitions.h
+++ b/libgixpp/ESQLDefinitions.h
@@ -20,6 +20,7 @@
 
 #pragma once
 
+#include <cstdint>
 #include <string>
 #include <vector>
 
@@ -261,4 +262,4 @@
 	std::string command;
 };
 
-#endif
\ No newline at end of file
+#endif