diff --git a/src/crypto/cipher/blowfish.js b/src/crypto/cipher/blowfish.js
index e75e634f..c06a0c14 100644
--- a/src/crypto/cipher/blowfish.js
+++ b/src/crypto/cipher/blowfish.js
@@ -393,6 +393,6 @@ function BF(key) {
 }
 
 BF.keySize = BF.prototype.keySize = 16;
-BF.blockSize = BF.prototype.blockSize = 16;
+BF.blockSize = BF.prototype.blockSize = 8;
 
 export default BF;