diff --git a/time.c b/time.c
index a6eed9b051aaaf..93b0fbdb64e8e9 100644
--- a/time.c
+++ b/time.c
@@ -336,6 +336,8 @@ v2w(VALUE v)
     return WIDEVAL_WRAP(v);
 }
 
+#define NUM2WV(v) v2w(rb_Integer(v))
+
 static int
 weq(wideval_t wx, wideval_t wy)
 {
@@ -2278,7 +2280,7 @@ extract_time(VALUE time)
     const ID id_to_i = idTo_i;
 
 #define EXTRACT_TIME() do { \
-        t = v2w(rb_Integer(AREF(to_i))); \
+        t = NUM2WV(AREF(to_i)); \
     } while (0)
 
     if (rb_typeddata_is_kind_of(time, &time_data_type)) {
@@ -2321,7 +2323,7 @@ extract_vtm(VALUE time, VALUE orig_time, struct time_object *orig_tobj, VALUE su
         vtm->sec = obj2subsecx(AREF(sec), &subsecx); \
         vtm->isdst = RTEST(AREF(isdst));             \
         vtm->utc_offset = Qnil; \
-        t = v2w(rb_Integer(AREF(to_i))); \
+        t = NUM2WV(AREF(to_i)); \
     } while (0)
 
     if (rb_typeddata_is_kind_of(time, &time_data_type)) {