diff --git a/ci/testnet-manager.sh b/ci/testnet-manager.sh
index 44c8bebc7e..a13c8f6c3e 100755
--- a/ci/testnet-manager.sh
+++ b/ci/testnet-manager.sh
@@ -81,11 +81,7 @@ testnet-beta|testnet-beta-perf)
   CHANNEL_BRANCH=$BETA_CHANNEL
   ;;
 testnet|testnet-perf)
-  if [[ -n $BETA_CHANNEL_LATEST_TAG ]]; then
-    CHANNEL_OR_TAG=$BETA_CHANNEL_LATEST_TAG
-  else
-    CHANNEL_OR_TAG=$STABLE_CHANNEL_LATEST_TAG
-  fi
+  CHANNEL_OR_TAG=beta
   CHANNEL_BRANCH=$BETA_CHANNEL
   ;;
 *)
@@ -297,7 +293,7 @@ start() {
       export NO_LEDGER_VERIFY=1
       export NO_VALIDATOR_SANITY=1
       ci/testnet-deploy.sh testnet-solana-com gce us-east1-c \
-        -t "$CHANNEL_OR_TAG" -n 3 -g -c 0 -P -a testnet-solana-com  \
+        -s "$CHANNEL_OR_TAG" -n 3 -g -c 0 -P -a testnet-solana-com  \
         ${maybeDelete:+-d}
     )
     ;;