diff --git a/src/frontends/lean/pp.cpp b/src/frontends/lean/pp.cpp
index 7327ac884..835b08762 100644
--- a/src/frontends/lean/pp.cpp
+++ b/src/frontends/lean/pp.cpp
@@ -5,6 +5,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Author: Leonardo de Moura
 */
 #include <algorithm>
+#include <limits>
 #include "util/flet.h"
 #include "kernel/replace_fn.h"
 #include "kernel/free_vars.h"