diff --git a/src/or/connection_edge.c b/src/or/connection_edge.c
index 9c39c25219..5075c474a3 100644
--- a/src/or/connection_edge.c
+++ b/src/or/connection_edge.c
@@ -651,7 +651,9 @@ connection_ap_expire_beginning(void)
       }
       continue;
     }
-    if (circ->purpose != CIRCUIT_PURPOSE_C_GENERAL) {
+    if (circ->purpose != CIRCUIT_PURPOSE_C_GENERAL &&
+        circ->purpose != CIRCUIT_PURPOSE_C_MEASURE_TIMEOUT &&
+        circ->purpose != CIRCUIT_PURPOSE_PATH_BIAS_TESTING) {
       log_warn(LD_BUG, "circuit->purpose == CIRCUIT_PURPOSE_C_GENERAL failed. "
                "The purpose on the circuit was %s; it was in state %s, "
                "path_state %s.",