1 files changed, 1 insertions, 1 deletions

diff --git a/src/eval.c b/src/eval.c
index cb9eb37b569..06d5c63f7f7 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1995,7 +1995,7 @@ this does nothing and returns nil.  */)
        and assumed the docstring will be provided by Snarf-documentation, so it
        passed us 0 instead.  But that leads to accidental sharing in purecopy's
        hash-consing, so we use a (hopefully) unique integer instead.  */
-    docstring = make_fixnum (XHASH (function));
+    docstring = make_ufixnum (XHASH (function));
   return Fdefalias (function,
                     list5 (Qautoload, file, docstring, interactive, type),
                     Qnil);