diff --git a/devstack-vm-gate-wrap.sh b/devstack-vm-gate-wrap.sh
index f1189407..94ccb8e5 100755
--- a/devstack-vm-gate-wrap.sh
+++ b/devstack-vm-gate-wrap.sh
@@ -177,7 +177,7 @@ export DEVSTACK_GATE_KEYSTONE_V3=${DEVSTACK_GATE_KEYSTONE_V3:-0}
 
 # Set the number of threads to run tempest with
 DEFAULT_CONCURRENCY=$(nproc)
-if [ ${DEFAULT_CONCURRENCY} > 3 ] ; then
+if [ ${DEFAULT_CONCURRENCY} -gt 3 ] ; then
     DEFAULT_CONCURRENCY=$[${DEFAULT_CONCURRENCY} / 2]
 fi
 export TEMPEST_CONCURRENCY=${TEMPEST_CONCURRENCY:-${DEFAULT_CONCURRENCY}}