diff --git a/library/cipher_wrap.c b/library/cipher_wrap.c
index 4d947f6..030477f 100644
--- a/library/cipher_wrap.c
+++ b/library/cipher_wrap.c
@@ -556,8 +556,8 @@
     POLARSSL_MODE_CBC,
     POLARSSL_KEY_LENGTH_DES_EDE,
     "DES-EDE-CBC",
-    16,
-    16,
+    8,
+    8,
     &des_ede_info
 };