diff --git a/nova/values_overrides/cntt.yaml b/nova/values_overrides/cntt.yaml
index 66887fa24d..0c3b5e5656 100644
--- a/nova/values_overrides/cntt.yaml
+++ b/nova/values_overrides/cntt.yaml
@@ -14,7 +14,9 @@ conf:
   nova:
     DEFAULT:
       reserved_huge_pages:
-        - node:0,size:1GB,count:4
-        - node:1,size:1GB,count:4
+        type: multistring
+        values:
+          - node:0,size:1GB,count:4
+          - node:1,size:1GB,count:4
       reserved_host_memory_mb: 512
 ...