diff --git a/ci/testnet-manager.sh b/ci/testnet-manager.sh
index 9ca7587d43..57f33c0913 100755
--- a/ci/testnet-manager.sh
+++ b/ci/testnet-manager.sh
@@ -354,7 +354,8 @@ deploy() {
           ${skipCreate:+-e} \
           ${skipStart:+-s} \
           ${maybeStop:+-S} \
-          ${maybeDelete:+-D}
+          ${maybeDelete:+-D} \
+          --hashes-per-tick auto
     )
     ;;
   testnet-beta-perf)