1 files changed, 4 insertions, 1 deletions

diff --git a/src/callint.c b/src/callint.c
index 7645424c8c4..fa0099bd4d6 100644
--- a/src/callint.c
+++ b/src/callint.c
@@ -28,7 +28,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 extern char *index ();
 
-Lisp_Object Vprefix_arg, Vcurrent_prefix_arg, Qminus;
+Lisp_Object Vprefix_arg, Vcurrent_prefix_arg, Qminus, Qplus;
 Lisp_Object Qcall_interactively;
 Lisp_Object Vcommand_history;
 
@@ -631,6 +631,9 @@ syms_of_callint ()
   Qminus = intern ("-");
   staticpro (&Qminus);
 
+  Qplus = intern ("+");
+  staticpro (&Qplus);
+
   Qcall_interactively = intern ("call-interactively");
   staticpro (&Qcall_interactively);