1 files changed, 2 insertions, 2 deletions

diff --git a/src/mocklisp.c b/src/mocklisp.c
index 5f9d2df0af7..ccf6f15c75a 100644
--- a/src/mocklisp.c
+++ b/src/mocklisp.c
@@ -210,9 +210,9 @@ is converted into a string by expressing it in decimal.")
     {
       tem = args[argnum];
     retry:
-      if (XTYPE (tem) == Lisp_Int)
+      if (INTEGERP (tem))
         tem = Fnumber_to_string (tem);
-      if (XTYPE (tem) == Lisp_String)
+      if (STRINGP (tem))
         insert1 (tem);
       else
         {