diff --git a/src/port/UserInterface/InstanceBaseBattle.cpp b/src/port/UserInterface/InstanceBaseBattle.cpp
index 3ac2e071..33276e65 100644
--- a/src/port/UserInterface/InstanceBaseBattle.cpp
+++ b/src/port/UserInterface/InstanceBaseBattle.cpp
@@ -605,6 +605,10 @@ BOOL CInstanceBase::CheckAdvancing()
 	}
 
 	// 맵속성 체크
+	// PORT: nor does the player's own character stop at blocked map cells; see CPythonBackground::CheckAdvancing.
+	if (__IsMainInstance())
+		return FALSE;
+
 	CPythonBackground& rkBG=CPythonBackground::Instance();
 	const D3DXVECTOR3 & rv3Position = m_GraphicThingInstance.GetPosition();
 	const D3DXVECTOR3 & rv3MoveDirection = m_GraphicThingInstance.GetMovementVectorRef();
diff --git a/src/port/UserInterface/PythonBackground.cpp b/src/port/UserInterface/PythonBackground.cpp
index 87d7d5ee..ab5c7b02 100644
--- a/src/port/UserInterface/PythonBackground.cpp
+++ b/src/port/UserInterface/PythonBackground.cpp
@@ -612,6 +612,11 @@ bool CPythonBackground::CheckAdvancing(CInstanceBase * pInstance)
 	if (!IsMapReady())
 		return true;
 
+	// PORT: the player's own character walks through buildings and other background objects. The server
+	// checks a move only for its distance and speed (CInputMain::Move), so it accepts the position.
+	if (pInstance == CPythonCharacterManager::Instance().GetMainInstancePtr())
+		return false;
+
 	Vector3d center;
 	float radius;
 	pInstance->GetGraphicThingInstanceRef().GetBoundingSphere(center,radius);