diff --git a/ci/testnet-deploy.sh b/ci/testnet-deploy.sh
index 2979f332cb..19d15ba854 100755
--- a/ci/testnet-deploy.sh
+++ b/ci/testnet-deploy.sh
@@ -271,6 +271,7 @@ client_start() {
       snap info solana; \
       sudo snap get solana; \
       threadCount=\$(nproc); \
+      if [[ \$threadCount -gt 4 ]]; then threadCount=4; fi; \
       tmux kill-session -t solana; \
       tmux new -s solana -d \" \
           set -x; \