Index: head/lib/libstand/cd9660.c
===================================================================
--- head/lib/libstand/cd9660.c
+++ head/lib/libstand/cd9660.c
@@ -356,11 +356,11 @@
 
 			/* if the new block is zero length, its padding */
 			if (isonum_711(dp->length) == 0) {
-			    /* skip to next block, if any */
-			    off = boff * ISO_DEFAULT_BLOCK_SIZE;
-			    continue;
+				/* skip to next block, if any */
+				off = boff * ISO_DEFAULT_BLOCK_SIZE;
+				continue;
 			} else {
-			    off += isonum_711(dp->length);
+				off += isonum_711(dp->length);
 			}
 		}
 		if (off >= dsize) {