diff --git a/include/openssl/cipher.h b/include/openssl/cipher.h
index 70e104d..b8d7a27 100644
--- a/include/openssl/cipher.h
+++ b/include/openssl/cipher.h
@@ -75,6 +75,7 @@
 OPENSSL_EXPORT const EVP_CIPHER *EVP_rc4(void);
 
 OPENSSL_EXPORT const EVP_CIPHER *EVP_des_cbc(void);
+OPENSSL_EXPORT const EVP_CIPHER *EVP_des_ecb(void);
 OPENSSL_EXPORT const EVP_CIPHER *EVP_des_ede3_cbc(void);
 
 OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_128_ecb(void);