diff --git a/haproxy/config.sls b/haproxy/config.sls
index 37f366f..e8c9865 100644
--- a/haproxy/config.sls
+++ b/haproxy/config.sls
@@ -14,3 +14,7 @@ haproxy.config:
      - service: haproxy.service
    - watch_in:
      - service: haproxy.service
+   {% if salt['pillar.get']('haproxy:overwrite', default=True) == False %}
+   - unless:
+     - test -e {{ salt['pillar.get']('haproxy:config_file_path', '/etc/haproxy/haproxy.cfg') }}
+   {% endif %}
diff --git a/pillar.example b/pillar.example
index e0c9a3f..7d1d408 100644
--- a/pillar.example
+++ b/pillar.example
@@ -4,6 +4,7 @@
 
 haproxy:
   enabled: True
+  overwrite: True # Overwrite an existing config file if present (default behaviour unless set to false)
   config_file_path: /etc/haproxy/haproxy.cfg
   global:
     stats: