--- ray/src/px/x11image.c	1992/06/24 09:17:39	2.10
+++ ray/src/px/x11image.c	1992/09/15 12:15:48	2.12
@@ -631,7 +631,7 @@ XKeyPressedEvent  *ekey;
 		XClearWindow(thedisplay, wind);
 		map_rcolors(ourras, wind);
 		if (fast)
-			make_rpixmap(ourras);
+			make_rpixmap(ourras, wind);
 		redraw(0, 0, width, height);
 		return(0);
 	case ' ':				/* clear */
@@ -939,7 +939,7 @@ int  y;
 		if (fseek(fin, scanpos[y], 0) == -1)
 			quiterr("fseek error");
 		cury = y;
-	} else if (scanpos != NULL)
+	} else if (scanpos != NULL && scanpos[y] == -1)
 		scanpos[y] = ftell(fin);
 
 	if (freadcolrs(scanline, xmax, fin) < 0)