diff --git a/program/src/open.rs b/program/src/open.rs
index 0055aaf..ee1533a 100644
--- a/program/src/open.rs
+++ b/program/src/open.rs
@@ -243,12 +243,12 @@ pub fn process_open(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult
                 &spl_token::ID,
                 &vault_base_pda.0,
                 &mint_base_info.key,
-                &block_info.key,
+                &market_info.key,
             )?,
             &[
                 vault_base_info.clone(),
                 mint_base_info.clone(),
-                block_info.clone(),
+                market_info.clone(),
                 token_program.clone(),
             ],
         )?;
@@ -289,12 +289,12 @@ pub fn process_open(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult
                 &spl_token::ID,
                 &vault_quote_pda.0,
                 &mint_quote_info.key,
-                &block_info.key,
+                &market_info.key,
             )?,
             &[
                 vault_quote_info.clone(),
                 mint_quote_info.clone(),
-                block_info.clone(),
+                market_info.clone(),
                 token_program.clone(),
             ],
         )?;