diff --git a/src/v_video.c b/src/v_video.c
index d5d92aa4753253d5f0eb8e9b6c7841d75a4be07f..390f212ea8d5406a8330aeae0ee12a610bce9cf1 100644
--- a/src/v_video.c
+++ b/src/v_video.c
@@ -2023,84 +2023,84 @@ Unoptimized version
 	}
 	else if (type == postimg_roll) // miru: View Roll Angle
 	{
-        UINT8 *tmpscr = screens[4];
-        UINT8 *srcscr = screens[0];
-        INT32 x, y;
-        angle_t your_angle = param;
-        float f_angle = ANG2RAD(your_angle);
-        //CONS_Printf("%f\n", f_angle);
+		UINT8 *tmpscr = screens[4];
+		UINT8 *srcscr = screens[0];
+		INT32 x, y;
+		angle_t your_angle = param;
+		float f_angle = ANG2RAD(your_angle);
+		//CONS_Printf("%f\n", f_angle);
 
-        INT32 hwidth = vid.width / 2;
-        INT32 hheight = height / 2;
+		INT32 hwidth = vid.width / 2;
+		INT32 hheight = height / 2;
 
-        float sinma = sin(f_angle);
+		float sinma = sin(f_angle);
 
-        float cosma = cos(f_angle);
+		float cosma = cos(f_angle);
 
-        float xst = (INT32)round((cosma * -hwidth - sinma * -hheight) + hwidth);
-        float yst = (INT32)round((sinma * -hwidth + cosma * -hheight) + hheight);
+		float xst = (INT32)round((cosma * -hwidth - sinma * -hheight) + hwidth);
+		float yst = (INT32)round((sinma * -hwidth + cosma * -hheight) + hheight);
 
-        // Fills the empty space with a solid color from palette index
-        memset(screens[4], (UINT8)(31), vid.width*vid.height*vid.bpp);
+		// Fills the empty space with a solid color from palette index
+		memset(screens[4], (UINT8)(31), vid.width*vid.height*vid.bpp);
 
 #define OUT_OF_RANGE (xs < 0 || xs >= vid.width || ys < 0 || ys >= height)
-        for (y = 0; y < hheight; y++) {
-            float xs = xst;
-            float ys = yst;
+		for (y = 0; y < hheight; y++) {
+			float xs = xst;
+			float ys = yst;
 
-            x = 0;
+			x = 0;
 
-            while (x < vid.width && OUT_OF_RANGE) {
-                xs += cosma;
-                ys += sinma;
-                x++;
-            }
+			while (x < vid.width && OUT_OF_RANGE) {
+				xs += cosma;
+				ys += sinma;
+				x++;
+			}
 
-            for (; x < vid.width && !OUT_OF_RANGE; x++) {
-                INT16 xn = (int) xs,
-                      yn = (int) ys;
+			for (; x < vid.width && !OUT_OF_RANGE; x++) {
+				INT16 xn = (int) xs,
+					yn = (int) ys;
 
-                tmpscr[x + (y + yoffset) * vid.width] = srcscr[xn + (yn + yoffset) * vid.width];
+				tmpscr[x + (y + yoffset) * vid.width] = srcscr[xn + (yn + yoffset) * vid.width];
 
-                xn = vid.width - 1 - xn;
-                yn = height - 1 - yn;
+				xn = vid.width - 1 - xn;
+				yn = height - 1 - yn;
 
-                tmpscr[(vid.width - 1 - x) + (height - 1 - y + yoffset) * vid.width] = srcscr[xn + (yn + yoffset) * vid.width];
+				tmpscr[(vid.width - 1 - x) + (height - 1 - y + yoffset) * vid.width] = srcscr[xn + (yn + yoffset) * vid.width];
 
-                xs += cosma;
-                ys += sinma;
-            }
+				xs += cosma;
+				ys += sinma;
+			}
 
-            xst -= sinma;
-            yst += cosma;
-        }
+			xst -= sinma;
+			yst += cosma;
+		}
 #undef OUT_OF_RANGE
 /* reference implementation
-        for(x = 0; x < vid.width; x++) {
-            for(y = 0; y < height; y++) {
-
-                INT32 xt = x - hwidth;
-                INT32 yt = y - hheight;
-
-                INT32 xs = (INT32)round((cosma * xt - sinma * yt) + hwidth);
-                INT32 ys = (INT32)round((sinma * xt + cosma * yt) + hheight);
-
-                if(xs >= 0 && xs < vid.width && ys >= 0 && ys < height)
-                {
-                    // set target pixel (x,y) to color at (xs,ys)
-                    tmpscr[x + (y + yoffset) * vid.width] = srcscr[xs + (ys + yoffset) * vid.width];
-                }
-                else
-                {
-                    // set target pixel (x,y) to some default background
-                    tmpscr[x + (y+yoffset)*vid.width] = 0;
-                }
-            }
-        }
+		for(x = 0; x < vid.width; x++) {
+			for(y = 0; y < height; y++) {
+
+				INT32 xt = x - hwidth;
+				INT32 yt = y - hheight;
+
+				INT32 xs = (INT32)round((cosma * xt - sinma * yt) + hwidth);
+				INT32 ys = (INT32)round((sinma * xt + cosma * yt) + hheight);
+
+				if(xs >= 0 && xs < vid.width && ys >= 0 && ys < height)
+				{
+					// set target pixel (x,y) to color at (xs,ys)
+					tmpscr[x + (y + yoffset) * vid.width] = srcscr[xs + (ys + yoffset) * vid.width];
+				}
+				else
+				{
+					// set target pixel (x,y) to some default background
+					tmpscr[x + (y+yoffset)*vid.width] = 0;
+				}
+			}
+		}
 */
 
-        VID_BlitLinearScreen(tmpscr+vid.width*vid.bpp*yoffset, screens[0]+vid.width*vid.bpp*yoffset,
-                vid.width*vid.bpp, height, vid.width*vid.bpp, vid.width);
+	VID_BlitLinearScreen(tmpscr+vid.width*vid.bpp*yoffset, screens[0]+vid.width*vid.bpp*yoffset,
+				vid.width*vid.bpp, height, vid.width*vid.bpp, vid.width);
 	}
 #endif
 }