diff --git a/data/sql/updates/db_characters/2024_09_03_00.sql b/data/sql/updates/db_characters/2024_09_03_00.sql
index b61491e17..d43d20b2e 100644
--- a/data/sql/updates/db_characters/2024_09_03_00.sql
+++ b/data/sql/updates/db_characters/2024_09_03_00.sql
@@ -1,11 +1,15 @@
 -- DB update 2024_07_05_00 -> 2024_09_03_00
 DROP TABLE IF EXISTS `character_achievement_offline_updates`;
 CREATE TABLE `character_achievement_offline_updates` (
-    `guid` BIGINT UNSIGNED NOT NULL COMMENT 'Character\'s GUID',
+    `guid` INT UNSIGNED NOT NULL COMMENT 'Character\'s GUID',
     `update_type` TINYINT UNSIGNED NOT NULL COMMENT 'Supported types: 1 - COMPLETE_ACHIEVEMENT; 2 - UPDATE_CRITERIA',
     `arg1` INT UNSIGNED NOT NULL COMMENT 'For type 1: achievement ID; for type 2: ACHIEVEMENT_CRITERIA_TYPE',
     `arg2` INT UNSIGNED DEFAULT NULL COMMENT 'For type 2: miscValue1 for updating achievement criteria',
     `arg3` INT UNSIGNED DEFAULT NULL COMMENT 'For type 2: miscValue2 for updating achievement criteria',
     INDEX `idx_guid` (`guid`)
 )
-COMMENT = 'Stores updates to character achievements when the character was offline';
+COMMENT = 'Stores updates to character achievements when the character was offline'
+CHARSET = utf8mb4
+COLLATE = utf8mb4_unicode_ci
+ENGINE = InnoDB
+;
diff --git a/src/server/game/Achievements/AchievementMgr.cpp b/src/server/game/Achievements/AchievementMgr.cpp
index 9d3626e3d..a6b2f905f 100644
--- a/src/server/game/Achievements/AchievementMgr.cpp
+++ b/src/server/game/Achievements/AchievementMgr.cpp
@@ -2503,7 +2503,7 @@ void AchievementMgr::ProcessOfflineUpdate(AchievementOfflinePlayerUpdate const&
         {
             AchievementEntry const* achievement = sAchievementStore.LookupEntry(update.arg1);
 
-            ASSERT(achievement != NULL, "Not found achievement to complete for offline achievements update. Wrong arg1 ({}) value?", update.arg1);
+            ASSERT(achievement, "Not found achievement to complete for offline achievements update. Wrong arg1 ({}) value?", update.arg1);
 
             CompletedAchievement(achievement);
             break;
@@ -3142,7 +3142,7 @@ void AchievementGlobalMgr::CompletedAchievementForOfflinePlayer(ObjectGuid::LowT
 {
     CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_INS_CHAR_ACHIEVEMENT_OFFLINE_UPDATES);
     stmt->SetData(0, playerLowGuid);
-    stmt->SetData(1, uint32(ACHIEVEMENT_OFFLINE_PLAYER_UPDATE_TYPE_COMPLETE_ACHIEVEMENT));
+    stmt->SetData(1, ACHIEVEMENT_OFFLINE_PLAYER_UPDATE_TYPE_COMPLETE_ACHIEVEMENT);
     stmt->SetData(2, entry->ID);
     stmt->SetData(3, 0);
     stmt->SetData(4, 0);
@@ -3153,7 +3153,7 @@ void AchievementGlobalMgr::UpdateAchievementCriteriaForOfflinePlayer(ObjectGuid:
 {
     CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_INS_CHAR_ACHIEVEMENT_OFFLINE_UPDATES);
     stmt->SetData(0, playerLowGuid);
-    stmt->SetData(1, uint32(ACHIEVEMENT_OFFLINE_PLAYER_UPDATE_TYPE_UPDATE_CRITERIA));
+    stmt->SetData(1, ACHIEVEMENT_OFFLINE_PLAYER_UPDATE_TYPE_UPDATE_CRITERIA);
     stmt->SetData(2, type);
     stmt->SetData(3, miscValue1);
     stmt->SetData(4, miscValue2);