diff --git a/src/PlayerbotMgr.cpp b/src/PlayerbotMgr.cpp
index 6bdbf9b6..fe4a714f 100644
--- a/src/PlayerbotMgr.cpp
+++ b/src/PlayerbotMgr.cpp
@@ -1602,8 +1602,26 @@ void PlayerbotMgr::OnBotLoginInternal(Player* const bot)
 
 void PlayerbotMgr::OnPlayerLogin(Player* player)
 {
+    if (!player)
+        return;
+
+    WorldSession* session = player->GetSession();
+    if (!session)
+    {
+        LOG_WARN("playerbots", "Unable to register locale priority for player {} because the session is missing", player->GetName());
+        return;
+    }
+
+    // DB locale (source of bot text translation)
+    LocaleConstant const databaseLocale = session->GetSessionDbLocaleIndex();
+
+    // For bot texts (DB-driven), prefer the database locale with a safe fallback.
+    LocaleConstant usedLocale = databaseLocale;
+    if (usedLocale >= MAX_LOCALES)
+        usedLocale = LOCALE_enUS; // fallback
+
     // set locale priority for bot texts
-    sPlayerbotTextMgr->AddLocalePriority(player->GetSession()->GetSessionDbcLocale());
+    sPlayerbotTextMgr->AddLocalePriority(usedLocale);
 
     if (sPlayerbotAIConfig->selfBotLevel > 2)
         HandlePlayerbotCommand("self", player);
@@ -1611,7 +1629,7 @@ void PlayerbotMgr::OnPlayerLogin(Player* player)
     if (!sPlayerbotAIConfig->botAutologin)
         return;
 
-    uint32 accountId = player->GetSession()->GetAccountId();
+    uint32 accountId = session->GetAccountId();
     QueryResult results = CharacterDatabase.Query("SELECT name FROM characters WHERE account = {}", accountId);
     if (results)
     {
diff --git a/src/PlayerbotTextMgr.cpp b/src/PlayerbotTextMgr.cpp
index 3caa96a7..1dce9a29 100644
--- a/src/PlayerbotTextMgr.cpp
+++ b/src/PlayerbotTextMgr.cpp
@@ -190,26 +190,29 @@ bool PlayerbotTextMgr::GetBotText(std::string name, std::string& text, std::map<
 
 void PlayerbotTextMgr::AddLocalePriority(uint32 locale)
 {
-    if (!locale)
+    if (locale >= MAX_LOCALES)
+    {
+        LOG_WARN("playerbots", "Ignoring locale {} for bot texts because it exceeds MAX_LOCALES ({})", locale, MAX_LOCALES - 1);
         return;
+    }
 
     botTextLocalePriority[locale]++;
 }
 
 uint32 PlayerbotTextMgr::GetLocalePriority()
 {
-    uint32 topLocale = 0;
-
     // if no real players online, reset top locale
-    if (!sWorldSessionMgr->GetActiveSessionCount())
+    uint32 const activeSessions = sWorldSessionMgr->GetActiveSessionCount();
+    if (!activeSessions)
     {
         ResetLocalePriority();
         return 0;
     }
 
+    uint32 topLocale = 0;
     for (uint8 i = 0; i < MAX_LOCALES; ++i)
     {
-        if (botTextLocalePriority[i] > topLocale)
+        if (botTextLocalePriority[i] > botTextLocalePriority[topLocale])
             topLocale = i;
     }