diff --git a/tests/functional-tests/scale_operator.py b/tests/functional-tests/scale_operator.py
index b8a5f80ae..709bb025b 100644
--- a/tests/functional-tests/scale_operator.py
+++ b/tests/functional-tests/scale_operator.py
@@ -696,7 +696,7 @@ def read_driver_data(clusterconfig, namespace, operator_namespace, kubeconfig):
             assert False
 
     for cluster in loadcr_yaml["spec"]["clusters"]:
-        if "primary" in cluster.keys():
+        if "primary" in cluster.keys() and cluster["primary"]["primaryFs"] is not '':
             data["primaryFs"] = cluster["primary"]["primaryFs"]
             data["guiHost"] = cluster["restApi"][0]["guiHost"]
             if check_key(cluster["primary"], "primaryFset"):
@@ -796,7 +796,7 @@ def read_operator_data(clusterconfig, namespace, kubeconfig=None):
     data["remote_secret_names"] = []
     data["remote_cacert_names"] = []
     for cluster in loadcr_yaml["spec"]["clusters"]:
-        if "primary" in cluster.keys():
+        if "primary" in cluster.keys() and cluster["primary"]["primaryFs"] is not '':
             data["primaryFs"] = cluster["primary"]["primaryFs"]
             data["guiHost"] = cluster["restApi"][0]["guiHost"]
             data["local_secret_name"] = cluster["secrets"]