diff --git a/src/server/slavefuncs.h b/src/server/slavefuncs.h
--- a/src/server/slavefuncs.h
+++ b/src/server/slavefuncs.h
@@ -35,7 +35,7 @@ int curlpost(char *filename, char *url);
 int ssh_keygen();
 int register_user(char *username, char *email);
 int login_user(char *username);
-int conf_replace(char *username);
+int conf_replace(char *conffile, char *wordtoreplace, char *replacewith);
 int exec_blender(char *input, char *output, int frame);
 void xmlinit();
 void xmlcleanup();