1 files changed, 1 insertions, 1 deletions

diff --git a/src/w32fns.c b/src/w32fns.c
index 4da5271c870..aa83e006194 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -1684,7 +1684,7 @@ x_set_icon_name (f, arg, oldval)
       if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt))
         return;
     }
-  else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil))
+  else if (!NILP (arg) || NILP (oldval))
     return;
 
   f->icon_name = arg;