diff --git a/templates/openstackconfiggenerator/config/common/fencing.yaml b/templates/openstackconfiggenerator/config/common/fencing.yaml
index aeff7a3d..d6fc7191 100644
--- a/templates/openstackconfiggenerator/config/common/fencing.yaml
+++ b/templates/openstackconfiggenerator/config/common/fencing.yaml
@@ -15,4 +15,6 @@ parameter_defaults:
           power_timeout: 30
           kubeconfig: /root/kubeconfig/kubeconfig
 {{- end }}
-{{- end }}
\ No newline at end of file
+parameter_merge_strategies:
+  FencingConfig: deep_merge
+{{- end }}