diff --git a/module/sources/vmware/connection.py b/module/sources/vmware/connection.py
index 537444a..7815856 100644
--- a/module/sources/vmware/connection.py
+++ b/module/sources/vmware/connection.py
@@ -1466,7 +1466,7 @@ def add_cluster(self, obj):
 
         # check for full name and then for cluster name only
         if self.passes_filter(full_cluster_name, self.cluster_include_filter, self.cluster_exclude_filter) is False \
-                and self.passes_filter(name, self.cluster_include_filter, self.cluster_exclude_filter) is False:
+                or self.passes_filter(name, self.cluster_include_filter, self.cluster_exclude_filter) is False:
             return
 
         site_name = self.get_site_name(NBCluster, full_cluster_name)
diff --git a/settings-example.ini b/settings-example.ini
index bba3a23..806950b 100644
--- a/settings-example.ini
+++ b/settings-example.ini
@@ -144,6 +144,9 @@ permitted_subnets = 172.16.0.0/12, 10.0.0.0/8, 192.168.0.0/16, fd00::/8
 # Include filters are checked first and exclude filters after. An object name has to
 # pass both filters to be synced to NetBox. If a filter is unset it will be ignored.
 # Filters are all treated as regex expressions!
+# If more then one expression should match a '|' needs to be used
+# Example: (exclude all VMs with "replica" in their name and all VMs starting with "backup")
+#   vm_exclude_filter = *.replica.*|^backup.*
 
 # If a cluster is excluded from sync then ALL VMs and HOSTS inside the cluster will
 # be ignored!