diff --git a/ref_gl/gl_draw.c b/ref_gl/gl_draw.c
index 159eaac..d194b99 100644
--- a/ref_gl/gl_draw.c
+++ b/ref_gl/gl_draw.c
@@ -339,7 +339,7 @@ void Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, byte *data
 		hscale = rows/256.0;
 		trows = 256;
 	}
-	t = rows*hscale / 256;
+	t = rows*hscale / 256 - 1.0/512.0;
 
 	if ( !qglColorTableEXT )
 	{
@@ -399,13 +399,13 @@ void Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, byte *data
 		qglDisable (GL_ALPHA_TEST);
 
 	qglBegin (GL_QUADS);
-	qglTexCoord2f (0, 0);
+	qglTexCoord2f (1.0/512.0, 1.0/512.0);
 	qglVertex2f (x, y);
-	qglTexCoord2f (1, 0);
+	qglTexCoord2f (511.0/512.0, 1.0/512.0);
 	qglVertex2f (x+w, y);
-	qglTexCoord2f (1, t);
+	qglTexCoord2f (511.0/512.0, t);
 	qglVertex2f (x+w, y+h);
-	qglTexCoord2f (0, t);
+	qglTexCoord2f (1.0/512.0, t);
 	qglVertex2f (x, y+h);
 	qglEnd ();