diff --git a/sql/updates/world/4.3.4/custom_2018_01_12_00_world.sql b/sql/updates/world/4.3.4/custom_2018_01_12_00_world.sql
new file mode 100644
index 00000000000..1d53676037b
--- /dev/null
+++ b/sql/updates/world/4.3.4/custom_2018_01_12_00_world.sql
@@ -0,0 +1,5 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName` IN 
+('spell_warr_thunder_clap');
+ 
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(6343, 'spell_warr_thunder_clap');