diff --git a/node/src/chain/header_validation.rs b/node/src/chain/header_validation.rs
index 791d7ad175..20a111b94d 100644
--- a/node/src/chain/header_validation.rs
+++ b/node/src/chain/header_validation.rs
@@ -167,12 +167,6 @@ impl<'a, DB: database::DB> Validator<'a, DB> {
             return Ok(vec![]);
         }
 
-        let prev_block_seed = self.db.read().await.view(|v| {
-            v.fetch_block_header(&self.prev_header.prev_block_hash)?
-                .ok_or_else(|| anyhow::anyhow!("Header not found"))
-                .map(|h| h.seed)
-        })?;
-
         let cert_result = candidate_block.prev_block_cert.result;
         let prev_block_hash = candidate_block.prev_block_hash;
 
@@ -184,6 +178,12 @@ impl<'a, DB: database::DB> Validator<'a, DB> {
             ),
         }
 
+        let prev_block_seed = self.db.read().await.view(|v| {
+            v.fetch_block_header(&self.prev_header.prev_block_hash)?
+                .ok_or_else(|| anyhow::anyhow!("Header not found"))
+                .map(|h| h.seed)
+        })?;
+
         let (_, _, voters) = verify_att(
             &candidate_block.prev_block_cert,
             self.prev_header.get_consensus_header(),