diff --git a/platypush/backend/http/webapp/package-lock.json b/platypush/backend/http/webapp/package-lock.json
index 7cd532d1e..d4c538cf9 100644
--- a/platypush/backend/http/webapp/package-lock.json
+++ b/platypush/backend/http/webapp/package-lock.json
@@ -3257,9 +3257,9 @@
       }
     },
     "node_modules/async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "dev": true,
       "dependencies": {
         "lodash": "^4.17.14"
@@ -14168,9 +14168,9 @@
       "dev": true
     },
     "async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "dev": true,
       "requires": {
         "lodash": "^4.17.14"
diff --git a/platypush/cron/scheduler.py b/platypush/cron/scheduler.py
index 0671cfd0d..86fbff62a 100644
--- a/platypush/cron/scheduler.py
+++ b/platypush/cron/scheduler.py
@@ -90,8 +90,8 @@ class Cronjob(threading.Thread):
             now = get_now()
             self._event_type = CronjobEvent.NONE
             cron = croniter.croniter(self.cron_expression, now)
-            next_run = cron.get_next()
-            self._event.wait(max(0, next_run - now.timestamp()))
+            next_run = cron.get_next(datetime.datetime)
+            self._event.wait(max(0, (next_run - now).total_seconds()))
 
     def stop(self):
         self._event_type = CronjobEvent.STOP