diff --git a/traffic-control/manual/run-tcmmd-test.sh b/traffic-control/manual/run-tcmmd-test.sh
index 57bd7bb33cb66c1135b1ccfe8d56e2cbd8a89176..e196acd1cad7ce3903c2f2ca8a86d03452f1d568 100755
--- a/traffic-control/manual/run-tcmmd-test.sh
+++ b/traffic-control/manual/run-tcmmd-test.sh
@@ -87,7 +87,7 @@ check_decent_speed() {
 
   sleep $WGET_TEST_DURATION
   kill -9 $WGET_PID
-  wait $WGET_PID
+  wait $WGET_PID || true
   sleep 0.2
   whine "Was it a decent speed (1MB/s or more) [yes/no]?"
   read v