diff --git a/build.sh b/build.sh
index 693bea2..6b06888 100644
--- a/build.sh
+++ b/build.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env sh
 
-CFLAGS="-Wall -Wextra -std=c11 -ggdb"
+CFLAGS="-Wall -Wextra -std=c11 -ggdb -fsanitize=address -fsanitize=undefined"
 SRC="vec.c symtable.c main.c"
 OUT="alisp.out"
 
diff --git a/main.c b/main.c
index 4137797..9b95a58 100644
--- a/main.c
+++ b/main.c
@@ -53,5 +53,7 @@ int main(void)
     sv_t sv = sym_table_find(&table, SV(words[i], strlen(words[i])));
     printf("%s => %p\n", words[i], sv.data);
   }
+
+  sym_table_cleanup(&table);
   return 0;
 }