diff --git a/lib/krb5/init_creds.c b/lib/krb5/init_creds.c
index cf38fc38d..d4db40356 100644
--- a/lib/krb5/init_creds.c
+++ b/lib/krb5/init_creds.c
@@ -67,9 +67,9 @@ krb5_get_init_creds_opt_alloc(krb5_context context,
 }
 
 krb5_error_code
-krb5_get_init_creds_opt_copy(krb5_context context, 
-			     const krb5_get_init_creds_opt *in,
-			     krb5_get_init_creds_opt **out)
+_krb5_get_init_creds_opt_copy(krb5_context context, 
+			      const krb5_get_init_creds_opt *in,
+			      krb5_get_init_creds_opt **out)
 {
     struct _krb5_get_init_creds_opt_private *private;
     krb5_get_init_creds_opt *opt;