--- util-linux-ng-2.17-rc3/text-utils/pg.c	2009-10-16 21:50:03.000000000 +0100
+++ util-linux-ng-2.17-rc3-new/text-utils/pg.c	2009-12-20 23:37:12.000000000 +0000
@@ -448,7 +448,10 @@
 			pos += TABSIZE - (pos % TABSIZE);
 			break;
 		default:
-			pos += wcwidth(*p);
+			if (iswprint(*p))
+				pos += wcwidth(*p);
+			else
+				pos += wcwidth(L'?');
 		}
 		if (pos > col) {
 			if (*p == L'\t')