diff --git a/src/server/game/Guilds/Guild.cpp b/src/server/game/Guilds/Guild.cpp
index 3a8c5474e..cf859760f 100644
--- a/src/server/game/Guilds/Guild.cpp
+++ b/src/server/game/Guilds/Guild.cpp
@@ -2207,12 +2207,18 @@ void Guild::MassInviteToEvent(WorldSession* session, uint32 minLevel, uint32 max
 bool Guild::AddMember(ObjectGuid guid, uint8 rankId)
 {
     Player* player = ObjectAccessor::FindConnectedPlayer(guid);
-    Player* leader = ObjectAccessor::FindConnectedPlayer(this->GetLeaderGUID());
+
+    Player* leader = nullptr;
+    if (this->GetLeaderGUID())
+    {
+        leader = ObjectAccessor::FindConnectedPlayer(this->GetLeaderGUID());
+    }
+
     // Player cannot be in guild
     if (player)
     {
         if (player->GetGuildId() != 0 ||
-            (!sWorld->getBoolConfig(CONFIG_ALLOW_TWO_SIDE_INTERACTION_GUILD) && (leader->GetTeamId() != player->GetTeamId())))
+            (!sWorld->getBoolConfig(CONFIG_ALLOW_TWO_SIDE_INTERACTION_GUILD) && (leader && leader->GetTeamId() != player->GetTeamId())))
             return false;
     }
     else if (sCharacterCache->GetCharacterGuildIdByGuid(guid) != 0)