diff --git a/idl/voter_stake_registry.ts b/idl/voter_stake_registry.ts
index c1fee068..d73fbecd 100644
--- a/idl/voter_stake_registry.ts
+++ b/idl/voter_stake_registry.ts
@@ -1120,14 +1120,10 @@ export type VoterStakeRegistry = {
         "native token amounts convert to vote weight."
       ],
       "type": {
-        "kind": "struct",
-        "fields": [
+        "kind": "enum",
+        "variants": [
           {
-            "name": "mint",
-            "docs": [
-              "Mint for this entry."
-            ],
-            "type": "publicKey"
+            "name": "None"
           },
           {
             "name": "grantAuthority",
@@ -2676,14 +2672,10 @@ export const IDL: VoterStakeRegistry = {
         "native token amounts convert to vote weight."
       ],
       "type": {
-        "kind": "struct",
-        "fields": [
+        "kind": "enum",
+        "variants": [
           {
-            "name": "mint",
-            "docs": [
-              "Mint for this entry."
-            ],
-            "type": "publicKey"
+            "name": "None"
           },
           {
             "name": "grantAuthority",