1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/textmodes/reftex-ref.el b/lisp/textmodes/reftex-ref.el
index 556c4374f13..d1dd59c7c4d 100644
--- a/lisp/textmodes/reftex-ref.el
+++ b/lisp/textmodes/reftex-ref.el
@@ -449,7 +449,7 @@ When called with 2 C-u prefix args, disable magic word recognition."
 
         ;; remove ~ if we do already have a space
         (when (and (= ?~ (string-to-char form))
-                   (member (preceding-char) '(?\ ?\t ?\n)))
+                   (member (preceding-char) '(?\  ?\t ?\n)))
           (setq form (substring form 1)))
         ;; do we have a special format?
         (setq reftex-format-ref-function