diff --git a/ci/testnet-deploy.sh b/ci/testnet-deploy.sh
index 7f36b7221..da6878538 100755
--- a/ci/testnet-deploy.sh
+++ b/ci/testnet-deploy.sh
@@ -158,7 +158,7 @@ set -x
 
 # Build a string to pass zone opts to $cloudProvider.sh: "-z zone1 -z zone2 ..."
 for val in "${zone[@]}"; do
-  zone_args="-z $val $zone_args"
+  zone_args="-z $zone_args $val"
 done
 
 if ! $skipSetup; then
diff --git a/ci/testnet-manager.sh b/ci/testnet-manager.sh
index 6ff5ff16b..f05c8523c 100755
--- a/ci/testnet-manager.sh
+++ b/ci/testnet-manager.sh
@@ -230,11 +230,11 @@ start() {
 
       # Build a string to pass as opts to testnet-deploy.sh: "-z zone1 -z zone2 ..."
       for val in "${GCE_ZONES[@]}"; do
-        GCE_ZONE_ARGS="-z $val $GCE_ZONE_ARGS"
+        GCE_ZONE_ARGS="-z $GCE_ZONE_ARGS $val"
       done
 
       for val in "${EC2_ZONES[@]}"; do
-        EC2_ZONE_ARGS="-z $val $EC2_ZONE_ARGS"
+        EC2_ZONE_ARGS="-z $EC2_ZONE_ARGS $val"
       done
 
       NO_VALIDATOR_SANITY=1 \