diff --git a/tests/integration/kubernetes/run_kubernetes_tests.sh b/tests/integration/kubernetes/run_kubernetes_tests.sh
index 0d4c40cfa6..e0cd401d1c 100644
--- a/tests/integration/kubernetes/run_kubernetes_tests.sh
+++ b/tests/integration/kubernetes/run_kubernetes_tests.sh
@@ -63,10 +63,10 @@ else
 
 	case ${K8S_TEST_HOST_TYPE} in
 		small)
-			K8S_TEST_UNION=($K8S_TEST_SMALL_HOST_UNION)
+			K8S_TEST_UNION=(${K8S_TEST_SMALL_HOST_UNION[@]})
 			;;
 		normal)
-			K8S_TEST_UNION=($K8S_TEST_NORMAL_HOST_UNION)
+			K8S_TEST_UNION=(${K8S_TEST_NORMAL_HOST_UNION[@]})
 			;;
 		baremetal)
 			K8S_TEST_UNION=(${K8S_TEST_SMALL_HOST_UNION[@]} ${K8S_TEST_NORMAL_HOST_UNION[@]})