diff --git a/LEGO1/mxdirectx/mxdirectxinfo.cpp b/LEGO1/mxdirectx/mxdirectxinfo.cpp
index d41e195a..f2d32e9c 100644
--- a/LEGO1/mxdirectx/mxdirectxinfo.cpp
+++ b/LEGO1/mxdirectx/mxdirectxinfo.cpp
@@ -42,7 +42,7 @@ MxDriver::MxDriver(LPGUID p_guid)
 // FUNCTION: CONFIG 0x00401180
 // FUNCTION: LEGO1 0x1009ba80
 // FUNCTION: BETA10 0x1011d8b6
-MxDriver::MxDriver(LPGUID p_guid, LPSTR p_driverDesc, LPSTR p_driverName)
+MxDriver::MxDriver(LPGUID p_guid, LPCSTR p_driverDesc, LPCSTR p_driverName)
 {
 	m_guid = NULL;
 	m_driverDesc = NULL;
@@ -71,7 +71,7 @@ MxDriver::~MxDriver()
 // FUNCTION: CONFIG 0x00401330
 // FUNCTION: LEGO1 0x1009bc30
 // FUNCTION: BETA10 0x1011da89
-void MxDriver::Init(LPGUID p_guid, LPSTR p_driverDesc, LPSTR p_driverName)
+void MxDriver::Init(LPGUID p_guid, LPCSTR p_driverDesc, LPCSTR p_driverName)
 {
 	if (m_driverDesc) {
 		delete[] m_driverDesc;
@@ -104,8 +104,8 @@ void MxDriver::Init(LPGUID p_guid, LPSTR p_driverDesc, LPSTR p_driverName)
 // FUNCTION: BETA10 0x1011dbd0
 Direct3DDeviceInfo::Direct3DDeviceInfo(
 	LPGUID p_guid,
-	LPSTR p_deviceDesc,
-	LPSTR p_deviceName,
+	LPCSTR p_deviceDesc,
+	LPCSTR p_deviceName,
 	LPD3DDEVICEDESC p_HWDesc,
 	LPD3DDEVICEDESC p_HELDesc
 )
@@ -136,8 +136,8 @@ Direct3DDeviceInfo::~Direct3DDeviceInfo()
 // FUNCTION: BETA10 0x1011dca6
 void Direct3DDeviceInfo::Initialize(
 	LPGUID p_guid,
-	LPSTR p_deviceDesc,
-	LPSTR p_deviceName,
+	LPCSTR p_deviceDesc,
+	LPCSTR p_deviceName,
 	LPD3DDEVICEDESC p_HWDesc,
 	LPD3DDEVICEDESC p_HELDesc
 )
@@ -318,8 +318,8 @@ HRESULT MxDeviceEnumerate::EnumDisplayModesCallback(LPDDSURFACEDESC p_ddsd)
 // FUNCTION: BETA10 0x1011e32f
 HRESULT MxDeviceEnumerate::EnumDevicesCallback(
 	LPGUID p_guid,
-	LPSTR p_deviceDesc,
-	LPSTR p_deviceName,
+	LPCSTR p_deviceDesc,
+	LPCSTR p_deviceName,
 	LPD3DDEVICEDESC p_HWDesc,
 	LPD3DDEVICEDESC p_HELDesc
 )
diff --git a/LEGO1/mxdirectx/mxdirectxinfo.h b/LEGO1/mxdirectx/mxdirectxinfo.h
index 15745abd..0dcb7d43 100644
--- a/LEGO1/mxdirectx/mxdirectxinfo.h
+++ b/LEGO1/mxdirectx/mxdirectxinfo.h
@@ -71,16 +71,16 @@ struct Direct3DDeviceInfo {
 	~Direct3DDeviceInfo();
 	Direct3DDeviceInfo(
 		LPGUID p_guid,
-		LPSTR p_deviceDesc,
-		LPSTR p_deviceName,
+		LPCSTR p_deviceDesc,
+		LPCSTR p_deviceName,
 		LPD3DDEVICEDESC p_HWDesc,
 		LPD3DDEVICEDESC p_HELDesc
 	);
 
 	void Initialize(
 		LPGUID p_guid,
-		LPSTR p_deviceDesc,
-		LPSTR p_deviceName,
+		LPCSTR p_deviceDesc,
+		LPCSTR p_deviceName,
 		LPD3DDEVICEDESC p_HWDesc,
 		LPD3DDEVICEDESC p_HELDesc
 	);
@@ -119,9 +119,9 @@ struct MxDriver {
 	MxDriver() {}
 	~MxDriver();
 	MxDriver(LPGUID p_guid);
-	MxDriver(LPGUID p_guid, LPSTR p_driverDesc, LPSTR p_driverName);
+	MxDriver(LPGUID p_guid, LPCSTR p_driverDesc, LPCSTR p_driverName);
 
-	void Init(LPGUID p_guid, LPSTR p_driverDesc, LPSTR p_driverName);
+	void Init(LPGUID p_guid, LPCSTR p_driverDesc, LPCSTR p_driverName);
 
 	LPGUID m_guid;                      // 0x00
 	char* m_driverDesc;                 // 0x04
@@ -202,8 +202,8 @@ public:
 	HRESULT EnumDisplayModesCallback(LPDDSURFACEDESC p_ddsd);
 	HRESULT EnumDevicesCallback(
 		LPGUID p_guid,
-		LPSTR p_deviceDesc,
-		LPSTR p_deviceName,
+		LPCSTR p_deviceDesc,
+		LPCSTR p_deviceName,
 		LPD3DDEVICEDESC p_HWDesc,
 		LPD3DDEVICEDESC p_HELDesc
 	);
diff --git a/LEGO1/omni/src/video/mxdisplaysurface.cpp b/LEGO1/omni/src/video/mxdisplaysurface.cpp
index 4f37f18a..878129d2 100644
--- a/LEGO1/omni/src/video/mxdisplaysurface.cpp
+++ b/LEGO1/omni/src/video/mxdisplaysurface.cpp
@@ -204,7 +204,7 @@ MxResult MxDisplaySurface::Create(MxVideoParam& p_videoParam)
 		ddsd.dwSize = sizeof(ddsd);
 		ddsd.dwBackBufferCount = m_videoParam.GetBackBuffers();
 		ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
-		ddsd.ddsCaps.dwCaps = DDSCAPS_3DDEVICE | DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;
+		ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_3DDEVICE | DDSCAPS_COMPLEX;
 
 		if (lpDirectDraw->CreateSurface(&ddsd, &m_ddSurface1, NULL)) {
 			SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "DirectDraw::CreateSurface failed");