diff --git a/src/fbprimitive.c b/src/fbprimitive.c
index fad520f..c081910 100644
--- a/src/fbprimitive.c
+++ b/src/fbprimitive.c
@@ -1,12 +1,12 @@
 /*
  * UPIWIN - Micro Pi Windowing Framework Kernel
  * Copyright (C) 2019 Amy Bowersox/Erbosoft Metaverse Design Solutions
- *    
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
- *    
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -129,9 +129,9 @@ void Fb_filled_rectangle(INT32 x1, INT32 y1, INT32 x2, INT32 y2, UINT16 color, B
     for (tmp = x1; tmp <= x2; tmp++)
     {
       if (xor)
-	*p++ ^= color;
+        *p++ ^= color;
       else
-	*p++ = color;
+        *p++ = color;
     }
     ps += Fb_Info->width;
   }