diff --git a/libs/gamecode/engine/pr_obj.c b/libs/gamecode/engine/pr_obj.c
index e4ca1f560..568f21fd3 100644
--- a/libs/gamecode/engine/pr_obj.c
+++ b/libs/gamecode/engine/pr_obj.c
@@ -879,7 +879,7 @@ pr__c_Object__conformsTo_ (progs_t *pr)
 }
 
 static void
-pr__i_Object__error_ (progs_t *pr)
+pr__i_Object_error_error_ (progs_t *pr)
 {
 	//pr_id_t    *object = &P_STRUCT (pr, pr_id_t, 0);
 	//const char *fmt = P_GSTRING (pr, 2);
@@ -888,6 +888,16 @@ pr__i_Object__error_ (progs_t *pr)
 	PR_RunError (pr, "%s, not implemented", __FUNCTION__);
 }
 
+static void
+pr__c_Object__conformsToProtocol_ (progs_t *pr)
+{
+	//pr_id_t    *object = &P_STRUCT (pr, pr_id_t, 0);
+	//pr_protocol_t *proto = &P_STRUCT (pr, pr_protocol_t, 2);
+	//...
+	//XXX
+	PR_RunError (pr, "%s, not implemented", __FUNCTION__);
+}
+
 //====================================================================
 
 static struct {
@@ -957,7 +967,8 @@ static struct {
 	{"_i_Object__hash",			pr__i_Object__hash},
 	{"_i_Object__compare_",		pr__i_Object__compare_},
 	{"_c_Object__conformsTo_",	pr__c_Object__conformsTo_},
-	{"_i_Object__error_",		pr__i_Object__error_},
+	{"_i_Object_error_error_",		pr__i_Object_error_error_},
+	{"_c_Object__conformsToProtocol_",	pr__c_Object__conformsToProtocol_},
 };
 
 void