diff --git a/lib/des/evp.c b/lib/des/evp.c
index b2f567227..4a40690fe 100644
--- a/lib/des/evp.c
+++ b/lib/des/evp.c
@@ -883,19 +883,19 @@ EVP_BytesToKey(const EVP_CIPHER *type,
  */
 
 void
-OPENSSL_add_all_algorithms(void)
+OpenSSL_add_all_algorithms(void)
 {
     return;
 }
 
 void
-OPENSSL_add_all_algorithms_conf(void)
+OpenSSL_add_all_algorithms_conf(void)
 {
     return;
 }
 
 void
-OPENSSL_add_all_algorithms_noconf(void)
+OpenSSL_add_all_algorithms_noconf(void)
 {
     return;
 }
diff --git a/lib/des/evp.h b/lib/des/evp.h
index b3892e811..17fd9e930 100644
--- a/lib/des/evp.h
+++ b/lib/des/evp.h
@@ -89,9 +89,9 @@
 #define PKCS5_PBKDF2_HMAC_SHA1 hc_PKCS5_PBKDF2_HMAC_SHA1
 #define EVP_BytesToKey hc_EVP_BytesToKey
 #define EVP_get_cipherbyname hc_EVP_get_cipherbyname
-#define	OPENSSL_add_all_algorithms hc_OPENSSL_add_all_algorithms
-#define	OPENSSL_add_all_algorithms_conf hc_OPENSSL_add_all_algorithms_conf
-#define	OPENSSL_add_all_algorithms_noconf hc_OPENSSL_add_all_algorithms_noconf
+#define	OpenSSL_add_all_algorithms hc_OpenSSL_add_all_algorithms
+#define	OpenSSL_add_all_algorithms_conf hc_OpenSSL_add_all_algorithms_conf
+#define	OpenSSL_add_all_algorithms_noconf hc_OpenSSL_add_all_algorithms_noconf
 
 /*
  *
@@ -248,8 +248,8 @@ int	EVP_BytesToKey(const EVP_CIPHER *, const EVP_MD *,
  *
  */
 
-void	OPENSSL_add_all_algorithms(void);
-void	OPENSSL_add_all_algorithms_conf(void);
-void	OPENSSL_add_all_algorithms_noconf(void);
+void	OpenSSL_add_all_algorithms(void);
+void	OpenSSL_add_all_algorithms_conf(void);
+void	OpenSSL_add_all_algorithms_noconf(void);
 
 #endif /* HEIM_EVP_H */