diff --git a/src/16_2_genmnemonic.c b/src/16_2_genmnemonic.c
index 34ade15..5fdc421 100644
--- a/src/16_2_genmnemonic.c
+++ b/src/16_2_genmnemonic.c
@@ -66,5 +66,6 @@ int main(void) {
     
   }
 
+  wally_cleanup(0);
   
 }