1 files changed, 1 insertions, 1 deletions

diff --git a/src/data.c b/src/data.c
index 9977a3aaadd..b48dbbebabc 100644
--- a/src/data.c
+++ b/src/data.c
@@ -729,7 +729,7 @@ DEFUN ("fset", Ffset, Sfset, 2, 2, 0,
 
   /* Convert to eassert or remove after GC bug is found.  In the
      meantime, check unconditionally, at a slight perf hit.  */
-  if (valid_lisp_object_p (definition) < 1)
+  if (! valid_lisp_object_p (definition))
     emacs_abort ();
 
   set_symbol_function (symbol, definition);