diff --git a/src/kernel/type_checker.cpp b/src/kernel/type_checker.cpp
index 33ff1715be..5a273075a1 100644
--- a/src/kernel/type_checker.cpp
+++ b/src/kernel/type_checker.cpp
@@ -5,6 +5,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Author: Leonardo de Moura
 */
 #include <utility>
+#include <vector>
 #include "util/interrupt.h"
 #include "util/lbool.h"
 #include "util/flet.h"