diff --git a/cmake/check.cpp b/cmake/check.cpp
index d34ac6f..fb66b2c 100644
--- a/cmake/check.cpp
+++ b/cmake/check.cpp
@@ -1,3 +1,4 @@
+#include <tuple>
 #include <utempl/loopholes/core.hpp>
 #include <utempl/type_list.hpp>