diff --git a/jenkins/L0_Test.groovy b/jenkins/L0_Test.groovy
index b0220dbdfb04..4ab05d5efb5e 100644
--- a/jenkins/L0_Test.groovy
+++ b/jenkins/L0_Test.groovy
@@ -2038,7 +2038,9 @@ def runLLMTestlistWithSbatch(pipeline, platform, testList, config=VANILLA_CONFIG
                         .replace("${ARTIFACTORY_DOCKER_HOST}/", "${ARTIFACTORY_DOCKER_HOST}#")
                 }
                 def mounts = getMountListForSlurmTest(cluster, true).join(",")
-                String[] taskArgs = getNodeArgs(nodeCount, gpuCount, disaggMultiNodeMode || singleNvlinkDomainMode)
+                // Multi-node perf-sanity and SingleNvlinkDomain stages must land in one NVLink
+                // domain: across racks the wide-EP MoE all-to-all cannot use MNNVL.
+                String[] taskArgs = getNodeArgs(nodeCount, gpuCount, disaggMultiNodeMode || aggMultiNodeMode || singleNvlinkDomainMode)
                 if (taskArgs == null) {
                     error "Invalid Slurm test stage name is set"
                 }