diff --git a/hc/api/models.py b/hc/api/models.py
index 0c88ab00..22ecf405 100644
--- a/hc/api/models.py
+++ b/hc/api/models.py
@@ -219,10 +219,7 @@ class Check(models.Model):
 
     def ping(self, remote_addr, scheme, method, ua, body, action):
         if action == "start":
-            # If we receive multiple start events in a row,
-            # we remember the first one, not the last one
-            if self.last_start is None:
-                self.last_start = timezone.now()
+            self.last_start = timezone.now()
             # DOn't update "last_ping" field.
         else:
             self.last_start = None
diff --git a/hc/api/tests/test_ping.py b/hc/api/tests/test_ping.py
index c98501fe..193318ce 100644
--- a/hc/api/tests/test_ping.py
+++ b/hc/api/tests/test_ping.py
@@ -168,16 +168,3 @@ class PingTestCase(TestCase):
         self.check.refresh_from_db()
         self.assertTrue(self.check.last_start)
         self.assertEqual(self.check.status, "paused")
-
-    def test_start_does_not_overwrite_last_start(self):
-        first_start = now() - td(hours=2)
-
-        self.check.last_start = first_start
-        self.check.save()
-
-        r = self.client.get("/ping/%s/start" % self.check.code)
-        self.assertEqual(r.status_code, 200)
-
-        self.check.refresh_from_db()
-        # Should still be the original value
-        self.assertEqual(self.check.last_start, first_start)