diff --git a/test/e2e/run.bash b/test/e2e/run.bash
index 3810a58733..3f9af98ba4 100755
--- a/test/e2e/run.bash
+++ b/test/e2e/run.bash
@@ -42,15 +42,15 @@ if ! kubectl version > /dev/null 2>&1; then
   install_kind
 
   echo '>>> Creating Kind Kubernetes cluster(s)'
-  seq 1 "${E2E_KIND_CLUSTER_NUM}" | parallel -- kind create cluster --loglevel=debug --name "${KIND_CLUSTER_PREFIX}_{}" --wait 5m
+  seq 1 "${E2E_KIND_CLUSTER_NUM}" | parallel -- kind create cluster --loglevel=debug --name "${KIND_CLUSTER_PREFIX}-{}" --wait 5m
   for I in $(seq 1 "${E2E_KIND_CLUSTER_NUM}"); do
-    # defer kind --name "${KIND_CLUSTER_PREFIX}_${I}" delete cluster > /dev/null 2>&1 || true
+    # defer kind --name "${KIND_CLUSTER_PREFIX}-${I}" delete cluster > /dev/null 2>&1 || true
     # Wire tests with the right cluster based on their BATS_JOB_SLOT env variable
-    eval export KUBECONFIG_SLOT_"${I}"="$(kind --name="${KIND_CLUSTER_PREFIX}_${I}" get kubeconfig-path)"
+    eval export KUBECONFIG_SLOT_"${I}"="$(kind --name="${KIND_CLUSTER_PREFIX}-${I}" get kubeconfig-path)"
   done
 
   echo '>>> Loading images into the Kind cluster(s)'
-  seq 1 "${E2E_KIND_CLUSTER_NUM}" | parallel -- kind --name "${KIND_CLUSTER_PREFIX}_{}" load docker-image 'docker.io/fluxcd/flux:latest'
+  seq 1 "${E2E_KIND_CLUSTER_NUM}" | parallel -- kind --name "${KIND_CLUSTER_PREFIX}-{}" load docker-image 'docker.io/fluxcd/flux:latest'
   if [ "${E2E_KIND_CLUSTER_NUM}" -gt 1 ]; then
     BATS_EXTRA_ARGS="--jobs ${E2E_KIND_CLUSTER_NUM}"
   fi