diff --git a/Nagstamon/Servers/IcingaDBWeb.py b/Nagstamon/Servers/IcingaDBWeb.py
index 589da4217..a09441179 100644
--- a/Nagstamon/Servers/IcingaDBWeb.py
+++ b/Nagstamon/Servers/IcingaDBWeb.py
@@ -208,7 +208,11 @@ def _get_status(self):
                         else:
                             self.new_hosts[host_name].status = self.STATES_MAPPING['hosts'][int(h['state']['soft_state'])]
 
-                        self.new_hosts[host_name].last_check = datetime.datetime.fromtimestamp(int(float(h['state']['last_update'])))
+                        if h['state']['last_update'].isnumeric(): # new version of icingadb doesnt return unix timestamp
+                            self.new_hosts[host_name].last_check = datetime.datetime.fromtimestamp(int(float(h['state']['last_update'])))
+                        else:
+                            self.new_hosts[host_name].last_check = datetime.datetime.fromisoformat(h['state']['last_update'])
+                        
                         self.new_hosts[host_name].attempt = "{}/{}".format(h['state']['check_attempt'],h['max_check_attempts'])
                         self.new_hosts[host_name].status_information = BeautifulSoup(h['state']['output'].replace('\n', ' ').strip(), 'html.parser').text
                         self.new_hosts[host_name].passiveonly = not int(h.get('active_checks_enabled') or '0')
@@ -231,11 +235,17 @@ def _get_status(self):
                                 self.new_hosts[host_name].attempt = "HARD"
 
                         # extra duration needed for calculation
-                        if h['state']['last_state_change'] is not None and h['state']['last_state_change'] != 0:
-                            duration = datetime.datetime.now() - datetime.datetime.fromtimestamp(int(float(h['state']['last_state_change'])))
-                            self.new_hosts[host_name].duration = strfdelta(duration,'{days}d {hours}h {minutes}m {seconds}s')
-                        else:
-                            self.new_hosts[host_name].duration = 'n/a'
+                        self.new_hosts[host_name].duration = 'n/a'
+                        if h['state']['last_state_change'] is not None:
+                            if h['state']['last_state_change'].isnumeric(): # new version of icingadb doesnt return unix timestamp
+                                duration = datetime.datetime.now() - datetime.datetime.fromtimestamp(int(float(h['state']['last_state_change'])))
+                            else:
+                                last_state_change = datetime.datetime.fromisoformat(h['state']['last_state_change'])
+                                duration = datetime.datetime.now().replace(tzinfo=last_state_change.tzinfo) - last_state_change
+                            
+                            if duration.total_seconds() > 0:
+                                self.new_hosts[host_name].duration = strfdelta(duration,'{days}d {hours}h {minutes}m {seconds}s')
+
                     del h, host_name
         except:
             import traceback
@@ -332,6 +342,7 @@ def _get_status(self):
                                 self.new_hosts[host_name].services[service_name].attempt = "HARD"
 
                         # extra duration needed for calculation
+                        self.new_hosts[host_name].services[service_name].duration = 'n/a'
                         if s['state']['last_state_change'] is not None:
                             if s['state']['last_update'].isnumeric(): # new version of icingadb doesnt return unix timestamp
                                 duration = datetime.datetime.now() - datetime.datetime.fromtimestamp(int(float(s['state']['last_state_change'])))
@@ -341,8 +352,6 @@ def _get_status(self):
                             
                             if duration.total_seconds() > 0:
                                 self.new_hosts[host_name].services[service_name].duration = strfdelta(duration, '{days}d {hours}h {minutes}m {seconds}s')
-                            else:
-                                self.new_hosts[host_name].services[service_name].duration = 'n/a'
 
                     del s, host_name, service_name
         except: