diff --git a/core/txpool/validation.go b/core/txpool/validation.go
index a1adcf8138..b0bbdbb969 100644
--- a/core/txpool/validation.go
+++ b/core/txpool/validation.go
@@ -202,7 +202,7 @@ func validateBlobSidecarOsaka(hashes []common.Hash, sidecar *types.BlobTxSidecar
 	if len(sidecar.Blobs) != len(hashes) {
 		return fmt.Errorf("invalid number of %d blobs compared to %d blob hashes", len(sidecar.Blobs), len(hashes))
 	}
-	if len(sidecar.Proofs)*kzg4844.CellProofsPerBlob != len(hashes) {
+	if len(sidecar.Proofs) != len(hashes)*kzg4844.CellProofsPerBlob {
 		return fmt.Errorf("invalid number of %d blob proofs compared to %d blob hashes", len(sidecar.Proofs), len(hashes))
 	}
 	if err := sidecar.ValidateBlobCommitmentHashes(hashes); err != nil {