diff --git a/plugins/GSdx/GSSetting.cpp b/plugins/GSdx/GSSetting.cpp
index 02796742b0..c31e78e633 100644
--- a/plugins/GSdx/GSSetting.cpp
+++ b/plugins/GSdx/GSSetting.cpp
@@ -102,11 +102,9 @@ const char* dialog_message(int ID, bool* updateText) {
 				"High:\nExtend it to destination alpha blending and color wrapping. (help shadow and fog effect). A good CPU is required.\n\n"
 				"Full:\nExcept few cases, the blending unit will be fully emulated by the shader. It is ultra slow! It is intended for debug.\n\n"
 				"Ultra:\nThe blending unit will be completely emulated by the shader. It is ultra slow! It is intended for debug.";
-#ifdef __linux__
 		case IDC_UNSAFE_FBMASK:
 			return "Relies on undefined hardware behavior to accelerate accurate blending operation.\n\n"
 				"It provides a major boost on the Xenosaga Series.\n";
-#endif
 		case IDC_TC_DEPTH:
 			return "Allows the conversion of Depth buffer from/to Color buffer. It is used for blur & depth of field effects";
 		case IDC_AFCOMBO:
diff --git a/plugins/GSdx/GSSettingsDlg.cpp b/plugins/GSdx/GSSettingsDlg.cpp
index ea84e991e8..d947cd9e54 100644
--- a/plugins/GSdx/GSSettingsDlg.cpp
+++ b/plugins/GSdx/GSSettingsDlg.cpp
@@ -658,6 +658,8 @@ void GSHacksDlg::OnInit()
 	CheckDlgButton(m_hWnd, IDC_ALPHASTENCIL, theApp.GetConfig("UserHacks_AlphaStencil", 0));
 	CheckDlgButton(m_hWnd, IDC_PRELOAD_GS, theApp.GetConfig("preload_frame_with_gs_data", 0));
 	CheckDlgButton(m_hWnd, IDC_ALIGN_SPRITE, theApp.GetConfig("UserHacks_align_sprite_X", 0));
+	CheckDlgButton(m_hWnd, IDC_UNSAFE_FBMASK, theApp.GetConfig("UserHacks_unsafe_fbmask", 0));
+
 
 	ComboBoxInit(IDC_ROUND_SPRITE, theApp.m_gs_hack, theApp.GetConfig("UserHacks_round_sprite_offset", 0));
 	ComboBoxInit(IDC_SPRITEHACK, theApp.m_gs_hack, theApp.GetConfig("UserHacks_SpriteHack", 0));
@@ -673,6 +675,8 @@ void GSHacksDlg::OnInit()
 
 	ShowWindow(GetDlgItem(m_hWnd, IDC_ALPHASTENCIL), ogl ? SW_HIDE : SW_SHOW);
 	ShowWindow(GetDlgItem(m_hWnd, IDC_ALPHAHACK), ogl ? SW_HIDE : SW_SHOW);
+	ShowWindow(GetDlgItem(m_hWnd, IDC_UNSAFE_FBMASK), ogl ? SW_SHOW : SW_HIDE);
+
 
 	AddTooltip(IDC_SKIPDRAWHACKEDIT);
 	AddTooltip(IDC_SKIPDRAWHACK);
@@ -689,6 +693,7 @@ void GSHacksDlg::OnInit()
 	AddTooltip(IDC_TCOFFSETY);
 	AddTooltip(IDC_TCOFFSETY2);
 	AddTooltip(IDC_PRELOAD_GS);
+	AddTooltip(IDC_UNSAFE_FBMASK);
 }
 
 void GSHacksDlg::UpdateControls()
@@ -723,6 +728,8 @@ bool GSHacksDlg::OnMessage(UINT message, WPARAM wParam, LPARAM lParam)
 			theApp.SetConfig("UserHacks_AlphaStencil", (int)IsDlgButtonChecked(m_hWnd, IDC_ALPHASTENCIL));
 			theApp.SetConfig("preload_frame_with_gs_data", (int)IsDlgButtonChecked(m_hWnd, IDC_PRELOAD_GS));
 			theApp.SetConfig("Userhacks_align_sprite_X", (int)IsDlgButtonChecked(m_hWnd, IDC_ALIGN_SPRITE));
+			theApp.SetConfig("UserHacks_unsafe_fbmask", (int)IsDlgButtonChecked(m_hWnd, IDC_UNSAFE_FBMASK));
+
 
 			unsigned int TCOFFSET  =  SendMessage(GetDlgItem(m_hWnd, IDC_TCOFFSETX), UDM_GETPOS, 0, 0) & 0xFFFF;
 						 TCOFFSET |= (SendMessage(GetDlgItem(m_hWnd, IDC_TCOFFSETY), UDM_GETPOS, 0, 0) & 0xFFFF) << 16;
diff --git a/plugins/GSdx/GSdx.rc b/plugins/GSdx/GSdx.rc
index 1d253ee99b..4a6c5ba924 100644
--- a/plugins/GSdx/GSdx.rc
+++ b/plugins/GSdx/GSdx.rc
@@ -105,6 +105,7 @@ BEGIN
     CONTROL         "Half-pixel Offset",IDC_OFFSETHACK,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,14,51,70,8
     COMBOBOX        IDC_MSAACB,88,17,58,63,CBS_DROPDOWNLIST | WS_VSCROLL | WS_TABSTOP
     CONTROL         "Wild Arms Offset",IDC_WILDHACK,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,14,64,70,8
+    CONTROL         "Fast accurate blending",IDC_UNSAFE_FBMASK,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,14,77,90,8
     CONTROL         "Alpha Stencil",IDC_ALPHASTENCIL,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,14,77,57,8
     CONTROL         "Align Sprite",IDC_ALIGN_SPRITE,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,88,51,58,8
     RTEXT           "TC Offset X:",IDC_STATIC,40,146,44,8
diff --git a/plugins/GSdx/resource.h b/plugins/GSdx/resource.h
index efd620ebae..386d5f516b 100644
--- a/plugins/GSdx/resource.h
+++ b/plugins/GSdx/resource.h
@@ -89,6 +89,7 @@
 #define IDC_MIPMAP                      2084
 #define IDC_PRELOAD_GS                  2085
 #define IDC_TVSHADER                    2086
+#define IDC_UNSAFE_FBMASK               2087
 #define IDR_CONVERT_FX                  10000
 #define IDR_TFX_FX                      10001
 #define IDR_MERGE_FX                    10002
@@ -107,7 +108,7 @@
 #ifndef APSTUDIO_READONLY_SYMBOLS
 #define _APS_NEXT_RESOURCE_VALUE        10013
 #define _APS_NEXT_COMMAND_VALUE         32771
-#define _APS_NEXT_CONTROL_VALUE         2087
+#define _APS_NEXT_CONTROL_VALUE         2088
 #define _APS_NEXT_SYMED_VALUE           5000
 #endif
 #endif