diff --git a/src/plugins/e-acsl/tests/temporal/oracle/gen_t_while.c b/src/plugins/e-acsl/tests/temporal/oracle/gen_t_while.c
index c212a2c38bb7b613b64dfdd4e3fc16884d09291e..4e462743c9d2aeacd2d6c8b4a1e21a2055c020fb 100644
--- a/src/plugins/e-acsl/tests/temporal/oracle/gen_t_while.c
+++ b/src/plugins/e-acsl/tests/temporal/oracle/gen_t_while.c
@@ -58,6 +58,7 @@ int main(void)
                     (char *)"!\\valid(q)",36);
   }
   __e_acsl_initialize((void *)q,sizeof(int));
+  /*@ assert Value: mem_access: \valid(q); */
   *q = 1;
   __retres = 0;
   return_label: __e_acsl_store_block_duplicate((void *)(& q),(size_t)8);