diff --git a/common/testlib.h b/common/testlib.h
index f8c26f7ed..703f75259 100644
--- a/common/testlib.h
+++ b/common/testlib.h
@@ -181,6 +181,7 @@ const char *latestFeatures[] = {
 #include <stdarg.h>
 #include <fcntl.h>
 #include <functional>
+#include <cstdint> // modified for library-checker
 
 #ifdef TESTLIB_THROW_EXIT_EXCEPTION_INSTEAD_OF_EXIT
 #   include <exception>