diff --git a/programs/mango-v4/src/instructions/register_token.rs b/programs/mango-v4/src/instructions/register_token.rs
index bd5ca833b..801c841ef 100644
--- a/programs/mango-v4/src/instructions/register_token.rs
+++ b/programs/mango-v4/src/instructions/register_token.rs
@@ -115,12 +115,13 @@ pub fn register_token(
     let alt_previous_size = 0;
     let mut mint_info = ctx.accounts.mint_info.load_init()?;
     *mint_info = MintInfo {
+        group: ctx.accounts.group.key(),
         mint: ctx.accounts.mint.key(),
+        bank: ctx.accounts.bank.key(),
         vault: ctx.accounts.vault.key(),
         oracle: ctx.accounts.oracle.key(),
-        bank: ctx.accounts.bank.key(),
-        token_index,
         address_lookup_table,
+        token_index,
         address_lookup_table_bank_index: alt_previous_size as u8,
         address_lookup_table_oracle_index: alt_previous_size as u8 + 1,
         reserved: Default::default(),
diff --git a/programs/mango-v4/src/state/mint_info.rs b/programs/mango-v4/src/state/mint_info.rs
index bc7ebb544..0335f9155 100644
--- a/programs/mango-v4/src/state/mint_info.rs
+++ b/programs/mango-v4/src/state/mint_info.rs
@@ -11,6 +11,7 @@ use super::TokenIndex;
 #[account(zero_copy)]
 pub struct MintInfo {
     // TODO: none of these pubkeys are needed, remove?
+    pub group: Pubkey,
     pub mint: Pubkey,
     pub bank: Pubkey,
     pub vault: Pubkey,
@@ -25,5 +26,5 @@ pub struct MintInfo {
 
     pub reserved: [u8; 4],
 }
-const_assert_eq!(size_of::<MintInfo>(), 5 * 32 + 2 + 2 + 4);
+const_assert_eq!(size_of::<MintInfo>(), 6 * 32 + 2 + 2 + 4);
 const_assert_eq!(size_of::<MintInfo>() % 8, 0);