--- fill.el~	2017-01-04 22:17:04.000000000 +0000
+++ fill.el	2017-02-12 23:57:42.946118200 +0000
@@ -494,8 +494,8 @@
 	    (replace-match (get-text-property (match-beginning 0) 'fill-space))
 	  (let ((prev (char-before (match-beginning 0)))
 		(next (following-char)))
-	    (if (and (or (aref (char-category-set next) ?|)
-			 (aref (char-category-set prev) ?|))
+	    (if (and (aref (char-category-set next) ?|)
+		     (aref (char-category-set prev) ?|)
 		     (or (aref fill-nospace-between-words-table next)
 			 (aref fill-nospace-between-words-table prev)))
 		(delete-char -1))))))