diff --git a/NifExport/NifExport.cpp b/NifExport/NifExport.cpp
index 13a6e5d2a96661a8dc67c5e398d8a58185e57f4c..47a0bd4e328f1baffc9cfd58f93f2af0396cafa6 100755
--- a/NifExport/NifExport.cpp
+++ b/NifExport/NifExport.cpp
@@ -103,6 +103,7 @@ BOOL CALLBACK NifExportOptionsDlgProc(HWND hWnd,UINT message,WPARAM wParam,LPARA
          CheckDlgButton(hWnd, IDC_CHK_SKEL_ONLY, Exporter::mSkeletonOnly);
          CheckDlgButton(hWnd, IDC_CHK_CAMERA, Exporter::mExportCameras);
          CheckDlgButton(hWnd, IDC_CHK_BONE_COLL, Exporter::mGenerateBoneCollision);            
+         CheckDlgButton(hWnd, IDC_CHK_TANGENTS, Exporter::mTangentAndBinormalExtraData);
 
          string selection = Exporter::mGameName;
          string version = Exporter::mNifVersion;
@@ -188,6 +189,7 @@ BOOL CALLBACK NifExportOptionsDlgProc(HWND hWnd,UINT message,WPARAM wParam,LPARA
             Exporter::mSkeletonOnly = IsDlgButtonChecked(hWnd, IDC_CHK_SKEL_ONLY);
             Exporter::mExportCameras = IsDlgButtonChecked(hWnd, IDC_CHK_CAMERA);
             Exporter::mGenerateBoneCollision = IsDlgButtonChecked(hWnd, IDC_CHK_BONE_COLL);
+            Exporter::mTangentAndBinormalExtraData = IsDlgButtonChecked(hWnd, IDC_CHK_TANGENTS);
 
             Exporter::mExportTransforms = IsDlgButtonChecked(hWnd, IDC_CHK_TRANSFORMS2);
             //Exporter::mUseTimeTags = IsDlgButtonChecked(hWnd, IDC_CHK_USE_TIME_TAGS);           
diff --git a/NifExport/NifExport.rc b/NifExport/NifExport.rc
index ef925e830f8e1f8e5987acf8f799ec91504ae39d..7e386390b3937e70606dfa1513ac5cd911b5fcee 100755
--- a/NifExport/NifExport.rc
+++ b/NifExport/NifExport.rc
@@ -107,7 +107,7 @@ BEGIN
     CONTROL         "http://www.niftools.org",IDC_LBL_LINK,"Button",BS_OWNERDRAW | WS_TABSTOP,103,109,95,14
 END
 
-IDD_NIF_PANEL DIALOGEX 0, 0, 229, 291
+IDD_NIF_PANEL DIALOGEX 0, 0, 229, 302
 STYLE DS_SETFONT | DS_MODALFRAME | WS_POPUP | WS_VISIBLE | WS_CAPTION | WS_SYSMENU
 EXSTYLE WS_EX_TOOLWINDOW
 CAPTION "Export Nif"
@@ -130,36 +130,37 @@ BEGIN
     CONTROL         "Cameras",IDC_CHK_CAMERA,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,120,82,67,10
     CONTROL         "&Lights",IDC_CHK_LIGHTS,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,120,93,67,10
     CONTROL         "Furniture &Markers",IDC_CHK_FURN,"Button",BS_AUTOCHECKBOX | NOT WS_VISIBLE | WS_DISABLED | WS_TABSTOP,120,105,67,10
-    GROUPBOX        "Mesh:",IDC_STATIC,4,123,108,73
+    GROUPBOX        "Mesh:",IDC_STATIC,4,123,108,81
     CONTROL         "Generate &Strips",IDC_CHK_STRIPS,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,134,82,10
     CONTROL         "Extra Nodes on Mesh",IDC_CHK_EXTRA,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,145,82,11
     CONTROL         "Flatten Hierarchy",IDC_CHK_HIER,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,158,82,10
     CONTROL         "Remove Extra Bones",IDC_CHK_REM_BONES,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,169,82,10
     CONTROL         "&Vertex Colors",IDC_CHK_VCOLORS,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,181,67,10
-    GROUPBOX        "Skin Modifier",IDC_STATIC,116,123,108,73
+    CONTROL         "Update Tangent Space",IDC_CHK_TANGENTS,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,192,101,10
+    GROUPBOX        "Skin Modifier",IDC_STATIC,116,123,108,81
     CONTROL         "Export Skin Modifier",IDC_CHK_SKIN,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,119,134,93,10
     CONTROL         "Enable Multiple Partitions",IDC_CHK_SKINPART,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,119,147,93,10
     LTEXT           "Bones Per Partition:",IDC_LBL_BONES_PART,130,160,62,8
     EDITTEXT        IDC_ED_BONES_PART,195,158,24,12,ES_AUTOHSCROLL
     LTEXT           "Bones Per Vertex:",IDC_LBL_BONES_VERTEX,120,174,63,8
     EDITTEXT        IDC_ED_BONES_VERTEX,195,173,24,12,ES_AUTOHSCROLL
-    GROUPBOX        "Animation",IDC_GRP_ANIMATION,4,196,108,68
-    COMBOBOX        IDC_CBO_ANIM_TYPE,7,207,85,69,CBS_DROPDOWNLIST | WS_VSCROLL | WS_TABSTOP
-    CONTROL         "Transforms",IDC_CHK_TRANSFORMS2,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,9,223,67,10
-    LTEXT           "Priority:",IDC_LBL_PRIORITY2,9,236,23,8
-    EDITTEXT        IDC_ED_PRIORITY2,37,235,55,12,ES_AUTOHSCROLL
-    GROUPBOX        "Miscellaneous:",IDC_STATIC,115,196,109,68
-    CONTROL         "Add User Prop Buffer",IDC_CHK_UPB,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,125,209,82,11
-    CONTROL         "Sort Nodes",IDC_CHK_SORTNODES,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,125,222,82,10
-    CONTROL         "Add Accum Nodes",IDC_CHK_ALLOW_ACCUM,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,125,235,82,10
-    LTEXT           "Auto-&Weld",IDC_LBL_WELDTHRESH,125,249,47,8,NOT WS_VISIBLE | WS_DISABLED
-    EDITTEXT        IDC_ED_WELDTHRESH,179,247,43,12,ES_AUTOHSCROLL | NOT WS_VISIBLE | WS_DISABLED
-    DEFPUSHBUTTON   "&Export",IDOK,5,270,34,14
-    PUSHBUTTON      "&Cancel",IDCANCEL,45,270,33,14
+    GROUPBOX        "Animation",IDC_GRP_ANIMATION,4,205,108,68
+    COMBOBOX        IDC_CBO_ANIM_TYPE,7,216,85,69,CBS_DROPDOWNLIST | WS_VSCROLL | WS_TABSTOP
+    CONTROL         "Transforms",IDC_CHK_TRANSFORMS2,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,9,232,67,10
+    LTEXT           "Priority:",IDC_LBL_PRIORITY2,9,245,23,8
+    EDITTEXT        IDC_ED_PRIORITY2,37,244,55,12,ES_AUTOHSCROLL
+    GROUPBOX        "Miscellaneous:",IDC_STATIC,115,205,109,68
+    CONTROL         "Add User Prop Buffer",IDC_CHK_UPB,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,125,218,82,11
+    CONTROL         "Sort Nodes",IDC_CHK_SORTNODES,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,125,231,82,10
+    CONTROL         "Add Accum Nodes",IDC_CHK_ALLOW_ACCUM,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,125,244,82,10
+    LTEXT           "Auto-&Weld",IDC_LBL_WELDTHRESH,125,258,47,8,NOT WS_VISIBLE | WS_DISABLED
+    EDITTEXT        IDC_ED_WELDTHRESH,179,256,43,12,ES_AUTOHSCROLL | NOT WS_VISIBLE | WS_DISABLED
+    DEFPUSHBUTTON   "&Export",IDOK,5,281,34,14
+    PUSHBUTTON      "&Cancel",IDCANCEL,45,281,33,14
     CONTROL         "Gen. Bone Collision",IDC_CHK_BONE_COLL,"Button",BS_AUTOCHECKBOX | NOT WS_VISIBLE | WS_DISABLED | WS_TABSTOP,151,7,73,10
     CONTROL         "&Remap Indices",IDC_CHK_REMAP,"Button",BS_AUTOCHECKBOX | NOT WS_VISIBLE | WS_DISABLED | WS_TABSTOP,152,7,72,10
-    LTEXT           "www.niftools.org",IDC_LBL_LINK,137,270,60,14,SS_NOTIFY | SS_CENTERIMAGE
-    LTEXT           "Wiki",IDC_LBL_WIKI,203,270,22,14,SS_NOTIFY | SS_CENTERIMAGE
+    LTEXT           "www.niftools.org",IDC_LBL_LINK,137,281,60,14,SS_NOTIFY | SS_CENTERIMAGE
+    LTEXT           "Wiki",IDC_LBL_WIKI,203,281,22,14,SS_NOTIFY | SS_CENTERIMAGE
 END
 
 
@@ -184,7 +185,7 @@ BEGIN
         LEFTMARGIN, 4
         RIGHTMARGIN, 224
         TOPMARGIN, 7
-        BOTTOMMARGIN, 284
+        BOTTOMMARGIN, 295
     END
 END
 #endif    // APSTUDIO_INVOKED