diff --git a/openssl-sys/src/evp.rs b/openssl-sys/src/evp.rs
index 7b911276..e8276afa 100644
--- a/openssl-sys/src/evp.rs
+++ b/openssl-sys/src/evp.rs
@@ -166,7 +166,7 @@ extern "C" {
     pub fn EVP_des_ecb() -> *const EVP_CIPHER;
     pub fn EVP_des_ede3() -> *const EVP_CIPHER;
     pub fn EVP_des_ede3_cbc() -> *const EVP_CIPHER;
-    pub fn EVP_des_ede3_cfb() -> *const EVP_CIPHER;
+    pub fn EVP_des_ede3_cfb64() -> *const EVP_CIPHER;
     pub fn EVP_des_cbc() -> *const EVP_CIPHER;
     pub fn EVP_rc4() -> *const EVP_CIPHER;
     pub fn EVP_bf_ecb() -> *const EVP_CIPHER;
diff --git a/openssl/src/symm.rs b/openssl/src/symm.rs
index 82be06b5..955c71cd 100644
--- a/openssl/src/symm.rs
+++ b/openssl/src/symm.rs
@@ -194,8 +194,8 @@ impl Cipher {
         unsafe { Cipher(ffi::EVP_des_ede3_cbc()) }
     }
 
-    pub fn des_ede3_cfb() -> Cipher {
-        unsafe { Cipher(ffi::EVP_des_ede3_cfb()) }
+    pub fn des_ede3_cfb64() -> Cipher {
+        unsafe { Cipher(ffi::EVP_des_ede3_cfb64()) }
     }
 
     pub fn rc4() -> Cipher {
@@ -1060,13 +1060,13 @@ mod tests {
     }
 
     #[test]
-    fn test_des_ede3_cfb() {
+    fn test_des_ede3_cfb64() {
         let pt = "2b1773784b5889dc788477367daa98ad";
         let ct = "6f2867cfefda048a4046ef7e556c7132";
         let key = "7cb66337f3d3c0fe7cb66337f3d3c0fe7cb66337f3d3c0fe";
         let iv = "0001020304050607";
 
-        cipher_test(super::Cipher::des_ede3_cfb(), pt, ct, key, iv);
+        cipher_test(super::Cipher::des_ede3_cfb64(), pt, ct, key, iv);
     }
 
     #[test]