diff --git a/beacon_node/network/src/sync/block_lookups/common.rs b/beacon_node/network/src/sync/block_lookups/common.rs
index b7e0b7700b0..850c5ecfc64 100644
--- a/beacon_node/network/src/sync/block_lookups/common.rs
+++ b/beacon_node/network/src/sync/block_lookups/common.rs
@@ -381,7 +381,7 @@ impl<L: Lookup, T: BeaconChainTypes> RequestState<L, T> for BlobRequestState<L,
 
                 if !self.requested_ids.contains(&received_id) {
                     Err(LookupVerifyError::UnrequestedBlobId)
-                } else if blob.verify_blob_sidecar_inclusion_proof().unwrap_or(false) {
+                } else if !blob.verify_blob_sidecar_inclusion_proof().unwrap_or(false) {
                     Err(LookupVerifyError::InvalidInclusionProof)
                 } else if blob.block_root() != expected_block_root {
                     Err(LookupVerifyError::UnrequestedHeader)