diff --git a/edify/main.cpp b/edify/main.cpp
index b1baa0b..6007a3d 100644
--- a/edify/main.cpp
+++ b/edify/main.cpp
@@ -18,6 +18,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <string>
+
 #include "expr.h"
 #include "parser.h"
 
@@ -151,6 +153,9 @@
     expect("greater_than_int(x, 3)", "", &errors);
     expect("greater_than_int(3, x)", "", &errors);
 
+    // big string
+    expect(std::string(8192, 's').c_str(), std::string(8192, 's').c_str(), &errors);
+
     printf("\n");
 
     return errors;