diff --git a/puppet/services/openvswitch.yaml b/puppet/services/openvswitch.yaml
index abfb56b948..ff924bc89e 100644
--- a/puppet/services/openvswitch.yaml
+++ b/puppet/services/openvswitch.yaml
@@ -43,15 +43,15 @@ parameters:
   OvsHandlerCores:
     description: >
       Number of cores to be used for ovs handler threads.
-    type: number
-    default: 1
+    type: string
+    default: ""
     tags:
       - role_specific
   OvsRevalidatorCores:
     description: >
       Number of cores to be used for ovs revalidator threads.
-    type: number
-    default: 1
+    type: string
+    default: ""
     tags:
       - role_specific
   OvsDpdkMemoryChannels: