diff --git a/src/video/haiku/SDL_bwindow.cc b/src/video/haiku/SDL_bwindow.cc
index a4ef0a4ba..163e89b53 100644
--- a/src/video/haiku/SDL_bwindow.cc
+++ b/src/video/haiku/SDL_bwindow.cc
@@ -51,7 +51,7 @@ static int _InitWindow(_THIS, SDL_Window *window) {
         window->x + window->w - 1,    //BeWindows have an off-by-one px w/h thing
         window->y + window->h - 1
     );
-    
+
     if ((window->flags & SDL_WINDOW_FULLSCREEN_MASK) != 0) {
         /* TODO: Add support for this flag */
         printf(__FILE__": %d!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n",__LINE__);
@@ -71,7 +71,7 @@ static int _InitWindow(_THIS, SDL_Window *window) {
         return -1;
     }
 
-    window->driverdata = bwin;
+    window->driverdata = (SDL_WindowData *)bwin;
     int32 winID = _GetBeApp()->GetID(window);
     bwin->SetID(winID);
 
@@ -82,7 +82,7 @@ int HAIKU_CreateWindow(_THIS, SDL_Window *window) {
     if (_InitWindow(_this, window) < 0) {
         return -1;
     }
-    
+
     /* Start window loop */
     _ToBeWin(window)->Show();
     return 0;
@@ -94,29 +94,29 @@ int HAIKU_CreateWindowFrom(_THIS, SDL_Window * window, const void *data) {
     if (!otherBWin->LockLooper()) {
         return -1;
     }
-    
+
     /* Create the new window and initialize its members */
     window->x = (int)otherBWin->Frame().left;
     window->y = (int)otherBWin->Frame().top;
     window->w = (int)otherBWin->Frame().Width();
     window->h = (int)otherBWin->Frame().Height();
-    
+
     /* Set SDL flags */
     if (!(otherBWin->Flags() & B_NOT_RESIZABLE)) {
         window->flags |= SDL_WINDOW_RESIZABLE;
     }
-    
+
     /* If we are out of memory, return the error code */
     if (_InitWindow(_this, window) < 0) {
         return -1;
     }
-    
+
     /* TODO: Add any other SDL-supported window attributes here */
     _ToBeWin(window)->SetTitle(otherBWin->Title());
-    
+
     /* Start window loop and unlock the other window */
     _ToBeWin(window)->Show();
-    
+
     otherBWin->UnlockLooper();
     return 0;
 }
@@ -193,7 +193,7 @@ void HAIKU_SetWindowFullscreen(_THIS, SDL_Window * window,
     BMessage msg(BWIN_FULLSCREEN);
     msg.AddBool("fullscreen", fullscreen);
     _ToBeWin(window)->PostMessage(&msg);
-    
+
 }
 
 
@@ -221,7 +221,7 @@ int HAIKU_GetWindowWMInfo(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
     return 0;
 }
 
- 
+
 #ifdef __cplusplus
 }
 #endif