diff --git a/include/QF/sys_developer.h b/include/QF/sys_developer.h
index 46b36a1fd..3dd3ba303 100644
--- a/include/QF/sys_developer.h
+++ b/include/QF/sys_developer.h
@@ -36,6 +36,7 @@ SYS_DEVELOPER (fs_nf)
 SYS_DEVELOPER (fs_f)
 SYS_DEVELOPER (fs)
 SYS_DEVELOPER (net)
+SYS_DEVELOPER (rua_resolve)
 SYS_DEVELOPER (rua_obj)
 SYS_DEVELOPER (rua_msg)
 SYS_DEVELOPER (snd)
diff --git a/libs/gamecode/pr_builtins.c b/libs/gamecode/pr_builtins.c
index b5c9ae0a0..b5332db7f 100644
--- a/libs/gamecode/pr_builtins.c
+++ b/libs/gamecode/pr_builtins.c
@@ -220,7 +220,7 @@ PR_RelocateBuiltins (progs_t *pr)
 			ind = pr->bi_map (pr, ind);
 		bi = PR_FindBuiltinNum (pr, ind);
 		if (!bi || !(proc = bi->proc)) {
-			Sys_MaskPrintf (SYS_dev,
+			Sys_MaskPrintf (SYS_rua_resolve,
 							"WARNING: Bad builtin call number: %s = #%d\n",
 							bi_name, -desc->first_statement);
 			proc = bi_no_function;