diff --git a/src/main.c b/src/main.c
index 09b2c45..e9fc492 100644
--- a/src/main.c
+++ b/src/main.c
@@ -90,6 +90,8 @@ int main(int argc, char **argv)
 
     destroy_lexer_context(&ctx);
 
+    hash_map_free(&vars);
+
     ast_free(&command_ast);
 
     if (command_ast == NULL)