diff --git a/src/server/game/Achievements/AchievementMgr.h b/src/server/game/Achievements/AchievementMgr.h
index b71f401aa7..a72152782c 100644
--- a/src/server/game/Achievements/AchievementMgr.h
+++ b/src/server/game/Achievements/AchievementMgr.h
@@ -26,6 +26,7 @@
 #include "DatabaseEnv.h"
 #include "DBCEnums.h"
 #include "DBCStores.h"
+#include "ObjectGuid.h"
 
 class Unit;
 class Player;
diff --git a/src/server/game/Battlegrounds/ArenaTeam.h b/src/server/game/Battlegrounds/ArenaTeam.h
index ec2b637a59..2f6472eca9 100644
--- a/src/server/game/Battlegrounds/ArenaTeam.h
+++ b/src/server/game/Battlegrounds/ArenaTeam.h
@@ -20,6 +20,7 @@
 #define TRINITYCORE_ARENATEAM_H
 
 #include "QueryResult.h"
+#include "ObjectGuid.h"
 #include <list>
 #include <map>
 
diff --git a/src/server/game/Battlegrounds/BattlegroundScore.h b/src/server/game/Battlegrounds/BattlegroundScore.h
index fac0fed542..acdeb44db8 100644
--- a/src/server/game/Battlegrounds/BattlegroundScore.h
+++ b/src/server/game/Battlegrounds/BattlegroundScore.h
@@ -19,6 +19,7 @@
 #define TRINITY_BATTLEGROUND_SCORE_H
 
 #include "WorldPacket.h"
+#include "ObjectGuid.h"
 
 enum ScoreType
 {
diff --git a/src/server/game/Calendar/CalendarMgr.h b/src/server/game/Calendar/CalendarMgr.h
index 26d2f51634..601190bac5 100644
--- a/src/server/game/Calendar/CalendarMgr.h
+++ b/src/server/game/Calendar/CalendarMgr.h
@@ -21,6 +21,7 @@
 #include "Common.h"
 #include "DatabaseEnv.h"
 #include "WorldPacket.h"
+#include "ObjectGuid.h"
 
 enum CalendarMailAnswers
 {
diff --git a/src/server/game/Combat/ThreatManager.h b/src/server/game/Combat/ThreatManager.h
index 87abbf0fcb..62b3d10e55 100644
--- a/src/server/game/Combat/ThreatManager.h
+++ b/src/server/game/Combat/ThreatManager.h
@@ -23,6 +23,7 @@
 #include "SharedDefines.h"
 #include "LinkedReference/Reference.h"
 #include "UnitEvents.h"
+#include "ObjectGuid.h"
 
 #include <list>
 
diff --git a/src/server/game/DungeonFinding/LFG.h b/src/server/game/DungeonFinding/LFG.h
index db21978369..c99366ce17 100644
--- a/src/server/game/DungeonFinding/LFG.h
+++ b/src/server/game/DungeonFinding/LFG.h
@@ -19,6 +19,7 @@
 #define _LFG_H
 
 #include "Common.h"
+#include "ObjectGuid.h"
 
 namespace lfg
 {
diff --git a/src/server/game/Entities/Creature/GossipDef.h b/src/server/game/Entities/Creature/GossipDef.h
index 5f8cf8e135..81fa5bc820 100644
--- a/src/server/game/Entities/Creature/GossipDef.h
+++ b/src/server/game/Entities/Creature/GossipDef.h
@@ -20,6 +20,7 @@
 #define TRINITYCORE_GOSSIP_H
 
 #include "Common.h"
+#include "ObjectGuid.h"
 #include "QuestDef.h"
 #include "NPCHandler.h"
 
diff --git a/src/server/game/Entities/Object/ObjectGuid.cpp b/src/server/game/Entities/Object/ObjectGuid.cpp
index 63d2b5c2da..cf40e24880 100644
--- a/src/server/game/Entities/Object/ObjectGuid.cpp
+++ b/src/server/game/Entities/Object/ObjectGuid.cpp
@@ -48,7 +48,7 @@ char const* ObjectGuid::GetTypeName(HighGuid high)
 std::string ObjectGuid::ToString() const
 {
     std::ostringstream str;
-    str << "GUID Full: 0x" << std::hex << std::setw(16) << std::setfill('0') << m_guid;
+    str << "GUID Full: 0x" << std::hex << std::setw(16) << std::setfill('0') << m_guid << std::dec;
     str << " Type: " << GetTypeName();
     if (HasEntry())
         str << (IsPet() ? " Pet number: " : " Entry: ") << GetEntry() << " ";
diff --git a/src/server/game/Entities/Object/Updates/UpdateData.h b/src/server/game/Entities/Object/Updates/UpdateData.h
index 57d0c06d37..d1305deabd 100644
--- a/src/server/game/Entities/Object/Updates/UpdateData.h
+++ b/src/server/game/Entities/Object/Updates/UpdateData.h
@@ -20,6 +20,7 @@
 #define __UPDATEDATA_H
 
 #include "ByteBuffer.h"
+#include "ObjectGuid.h"
 #include <set>
 
 class WorldPacket;
diff --git a/src/server/game/Loot/LootMgr.h b/src/server/game/Loot/LootMgr.h
index 7de07d5877..673e5b6841 100644
--- a/src/server/game/Loot/LootMgr.h
+++ b/src/server/game/Loot/LootMgr.h
@@ -24,7 +24,7 @@
 #include "RefManager.h"
 #include "SharedDefines.h"
 #include "ConditionMgr.h"
-
+#include "ObjectGuid.h"
 #include <map>
 #include <vector>
 #include <list>
diff --git a/src/server/game/Maps/Map.h b/src/server/game/Maps/Map.h
index 926752f4be..87434d555a 100644
--- a/src/server/game/Maps/Map.h
+++ b/src/server/game/Maps/Map.h
@@ -30,6 +30,7 @@
 #include "MapRefManager.h"
 #include "DynamicTree.h"
 #include "GameObjectModel.h"
+#include "ObjectGuid.h"
 
 #include <bitset>
 #include <list>
diff --git a/src/server/game/Server/WorldSession.cpp b/src/server/game/Server/WorldSession.cpp
index cc5fdcc8ca..beb6ea54b3 100644
--- a/src/server/game/Server/WorldSession.cpp
+++ b/src/server/game/Server/WorldSession.cpp
@@ -172,9 +172,11 @@ std::string WorldSession::GetPlayerInfo() const
 {
     std::ostringstream ss;
 
-    ss << "[Player: " << GetPlayerName()
-       << " (Guid: " << (_player != NULL ? _player->GetGUID().ToString() : "")
-       << ", Account: " << GetAccountId() << ")]";
+    ss << "[Player: " << GetPlayerName() << " (";
+    if (_player != NULL)
+        ss << _player->GetGUID().ToString() << ", ";
+
+    ss << "Account: " << GetAccountId() << ")]";
 
     return ss.str();
 }