diff --git a/sql/updates/world/4.3.4/custom_2018_02_14_01_world.sql b/sql/updates/world/4.3.4/custom_2018_02_14_01_world.sql
index f0ef98a387f..0701aa06fd1 100644
--- a/sql/updates/world/4.3.4/custom_2018_02_14_01_world.sql
+++ b/sql/updates/world/4.3.4/custom_2018_02_14_01_world.sql
@@ -1,4 +1,4 @@
-DELETE FROM `spell_script_names` WHERE `ScriptName`= 'spell_umbris_blitz';
+DELETE FROM `spell_script_names` WHERE `ScriptName`= 'spell_umbriss_blitz';
 
 INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
 (74670, 'spell_umbriss_blitz'),