diff --git a/specs/deneb/fork-choice.md b/specs/deneb/fork-choice.md
index 501ce95bb..10cf2bacd 100644
--- a/specs/deneb/fork-choice.md
+++ b/specs/deneb/fork-choice.md
@@ -93,10 +93,9 @@ def on_block(store: Store, signed_block: SignedBeaconBlock) -> None:
     # [New in Deneb:EIP4844]
     # Check if blob data is available
     # If not, this block MAY be queued and subsequently considered when blob data becomes available
-    assert is_data_available(hash_tree_root(block), block.body.blob_kzg_commitments)
-
     # *Note*: Extraneous or invalid Blobs (in addition to the expected/referenced valid blobs)
     # received on the p2p network MUST NOT invalidate a block that is otherwise valid and available
+    assert is_data_available(hash_tree_root(block), block.body.blob_kzg_commitments)
 
     # Check the block is valid and compute the post-state
     state = pre_state.copy()