diff --git a/core/txpool/blobpool/blobpool_test.go b/core/txpool/blobpool/blobpool_test.go
index 3fe2f3b931..f7d8ca209b 100644
--- a/core/txpool/blobpool/blobpool_test.go
+++ b/core/txpool/blobpool/blobpool_test.go
@@ -1014,7 +1014,7 @@ func TestOpenCap(t *testing.T) {
 
 		keep = []common.Address{addr1, addr3}
 		drop = []common.Address{addr2}
-		size = uint64(2 * (txAvgSize + blobSize + uint64(txBlobOverhead)))
+		size = 2 * (txAvgSize + blobSize + uint64(txBlobOverhead))
 	)
 	store.Put(blob1)
 	store.Put(blob2)