diff --git a/data/sql/updates/pending_db_world/fixmechimmunemaskspectperf.sql b/data/sql/updates/pending_db_world/fixmechimmunemaskspectperf.sql
new file mode 100644
index 000000000..257261043
--- /dev/null
+++ b/data/sql/updates/pending_db_world/fixmechimmunemaskspectperf.sql
@@ -0,0 +1,2 @@
+--
+UPDATE `creature_template` SET `mechanic_immune_mask` = `mechanic_immune_mask`|2|16|64|256|512|1024|2048|4096|8192|131072|524288|4194304|8388608|33554432, `flags_extra` = `flags_extra`|256 WHERE `entry` = 16473;