diff --git a/src/or/dos.c b/src/or/dos.c
index c221e5ecdf..88f1351a3f 100644
--- a/src/or/dos.c
+++ b/src/or/dos.c
@@ -308,8 +308,6 @@ cc_stats_refill_bucket(cc_client_stats_t *stats, const tor_addr_t *addr)
     new_circuit_bucket_count = MIN(stats->circuit_bucket + (uint32_t)num_token,
                                    dos_cc_circuit_burst);
   }
-  /* This function is not allowed to make the bucket count smaller */
-  tor_assert_nonfatal(new_circuit_bucket_count >= stats->circuit_bucket);
   log_debug(LD_DOS, "DoS address %s has its circuit bucket value: %" PRIu32
                     ". Filling it to %" PRIu32 ". Circuit rate is %" PRIu64
                     ". Elapsed time is %" PRIi64,
diff --git a/src/test/test_dos.c b/src/test/test_dos.c
index 9a10a2084a..6db98b9ed3 100644
--- a/src/test/test_dos.c
+++ b/src/test/test_dos.c
@@ -179,8 +179,8 @@ test_dos_bucket_refill(void *arg)
   uint64_t circ_rate = get_circuit_rate_per_second();
   /* Check that the circuit rate is a positive number and smaller than the max
    * circuit count */
-  tt_int_op(circ_rate, OP_GT, 1);
-  tt_int_op(circ_rate, OP_LT, max_circuit_count);
+  tt_u64_op(circ_rate, OP_GT, 1);
+  tt_u64_op(circ_rate, OP_LT, max_circuit_count);
 
   /* Register this client */
   geoip_note_client_seen(GEOIP_CLIENT_CONNECT, addr, NULL, now);