diff --git a/library/pkcs5.c b/library/pkcs5.c
index 6163e9a..7564733 100644
--- a/library/pkcs5.c
+++ b/library/pkcs5.c
@@ -198,7 +198,7 @@
         goto exit;
     }
 
-    if( ( ret = mbedtls_cipher_init_ctx( &cipher_ctx, cipher_info ) ) != 0 )
+    if( ( ret = mbedtls_cipher_setup( &cipher_ctx, cipher_info ) ) != 0 )
         goto exit;
 
     if( ( ret = mbedtls_cipher_setkey( &cipher_ctx, key, 8 * keylen, (mbedtls_operation_t) mode ) ) != 0 )