diff --git a/steembase/bip38.py b/steembase/bip38.py
index acbe4e3..d6bbbe5 100644
--- a/steembase/bip38.py
+++ b/steembase/bip38.py
@@ -77,7 +77,7 @@ def encrypt(privkey, passphrase):
     else:
         raise ValueError("No scrypt module loaded")
     (derived_half1, derived_half2) = (key[:32], key[32:])
-    aes = AES.new(derived_half2)
+    aes = AES.new(derived_half2,AES.MODE_ECB)
     encrypted_half1 = _encrypt_xor(privkeyhex[:32], derived_half1[:16], aes)
     encrypted_half2 = _encrypt_xor(privkeyhex[32:], derived_half1[16:], aes)
     " flag byte is forced 0xc0 because Graphene only uses compressed keys "
@@ -121,7 +121,7 @@ def decrypt(encrypted_privkey, passphrase):
     derivedhalf2 = key[32:64]
     encryptedhalf1 = d[0:16]
     encryptedhalf2 = d[16:32]
-    aes = AES.new(derivedhalf2)
+    aes = AES.new(derivedhalf2,AES.MODE_ECB)
     decryptedhalf2 = aes.decrypt(encryptedhalf2)
     decryptedhalf1 = aes.decrypt(encryptedhalf1)
     privraw = decryptedhalf1 + decryptedhalf2