1 files changed, 1 insertions, 0 deletions

diff --git a/ast.cpp b/ast.cpp
index f1cbcc0..4f68a17 100644
--- a/ast.cpp
+++ b/ast.cpp
@@ -1,4 +1,5 @@
 #include <stdexcept>
+#include <cstring>
 #include <cctype>
 #include "ast.h"