1 files changed, 2 insertions, 0 deletions

diff --git a/src/lread.c b/src/lread.c
index ac9592f20c3..c08e5fc8c1a 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -987,6 +987,8 @@ read_escape (readcharfun)
       c = READCHAR;
       if (c == '\\')
         c = read_escape (readcharfun);
+      if ((c & 0xff) >= 'a' && (c & 0xff) <= 'z')
+        return c - ('a' - 'A');
       return c | shift_modifier;
 
     case 'H':