diff --git a/back/report_template.html b/back/report_template.html
index 962ff988..83809c3b 100755
--- a/back/report_template.html
+++ b/back/report_template.html
@@ -29,7 +29,7 @@
         <tr>
         <td>
             <table width=100% border=0 bgcolor=#4b99d3 cellpadding=5px cellspacing=0 style="border-collapse: collapse; font-size: 15px; text-align:center; color:#ffffff">            <tr>
-                <td width=100%> Report Date: <b><REPORT_DATE></b> </td>
+                <td width=100% bgcolor="#3c8dbc"> Report Date: <b><REPORT_DATE></b> </td>
             </tr>
             </table>
         </td>
@@ -51,7 +51,7 @@
         <td>
             <table width=100% bgcolor=#3c8dbc cellpadding=5px cellspacing=0 style="font-size: 13px; font-weight: bold; border-bottom-left-radius: 5px; border-bottom-right-radius: 5px;">
                <tr>
-                    <td width=50% style="text-align:center;color: white;">
+                    <td width=50% style="text-align:center;color: white;" bgcolor="#3c8dbc">
 						<a href="https://github.com/jokob-sk/Pi.Alert" target="_blank" style="color: white">Pi.Alert</a>
 						<a href=".." target="_blank" style="color: white"> (<SERVER_NAME>)</a>
 						<br><span style="display:inline-block;color: white; transform: rotate(180deg)">&copy;</span>2020 Puche (2022+ 
diff --git a/back/report_template_new_version.html b/back/report_template_new_version.html
index b60ca231..06520878 100755
--- a/back/report_template_new_version.html
+++ b/back/report_template_new_version.html
@@ -29,7 +29,7 @@
         <tr>
         <td>
             <table width=100% border=0 bgcolor=#4b99d3 cellpadding=5px cellspacing=0 style="border-collapse: collapse; font-size: 15px; text-align:center; color:#ffffff">            <tr>
-                <td width=100%> Report Date: <b><REPORT_DATE></b> </td>
+                <td width=100% bgcolor="#3c8dbc"> Report Date: <b><REPORT_DATE></b> </td>
             </tr>
             </table>
         </td>
@@ -51,7 +51,7 @@
         <td>
             <table width=100% bgcolor=#3c8dbc cellpadding=5px cellspacing=0 style="font-size: 13px; font-weight: bold; border-bottom-left-radius: 5px; border-bottom-right-radius: 5px;">
                <tr>
-                    <td width=50% style="text-align:center;color: white;">
+                    <td width=50% style="text-align:center;color: white;" bgcolor="#3c8dbc">
 						<a href="https://github.com/jokob-sk/Pi.Alert" target="_blank" style="color: white">Pi.Alert</a>
 						<a href=".." target="_blank" style="color: white"> (<SERVER_NAME>)</a>
 						<br><span style="display:inline-block;color: white; transform: rotate(180deg)">&copy;</span>2020 Puche (2022+ 
diff --git a/front/plugins/dhcp_leases/script.py b/front/plugins/dhcp_leases/script.py
index fc48678f..b1cbf76c 100755
--- a/front/plugins/dhcp_leases/script.py
+++ b/front/plugins/dhcp_leases/script.py
@@ -10,7 +10,7 @@ import sys
 sys.path.append("/home/pi/pialert/front/plugins")
 sys.path.append('/home/pi/pialert/pialert') 
 
-from plugin_helper import Plugin_Object, Plugin_Objects
+from plugin_helper import Plugin_Object, Plugin_Objects, handleEmpty
 from logger import mylog
 from dhcp_leases import DhcpLeases
 
@@ -45,28 +45,28 @@ def get_entries(path, plugin_objects):
                 row = line.rstrip().split()
                 if len(row) == 5:
                     plugin_objects.add_object(
-                        primaryId=row[1],    
-                        secondaryId=row[2],  
-                        watched1='True',   
-                        watched2=row[3],
-                        watched3=row[4],
-                        watched4='True',
-                        extra=path,
-                        foreignKey=row[1]
+                        primaryId   = handleEmpty(row[1]),    
+                        secondaryId = handleEmpty(row[2]),  
+                        watched1    = handleEmpty('True'),   
+                        watched2    = handleEmpty(row[3]),
+                        watched3    = handleEmpty(row[4]),
+                        watched4    = handleEmpty('True'),
+                        extra       = handleEmpty(path),
+                        foreignKey  = handleEmpty(row[1])
                     )
     else:
         leases = DhcpLeases(path)
         leasesList = leases.get()
         for lease in leasesList:
             plugin_objects.add_object(
-                primaryId=lease.ethernet,    
-                secondaryId=lease.ip,  
-                watched1=lease.active,   
-                watched2=lease.hostname,
-                watched3=lease.hardware,
-                watched4=lease.binding_state,
-                extra=path,
-                foreignKey=lease.ethernet
+                primaryId   = handleEmpty(lease.ethernet),    
+                secondaryId = handleEmpty(lease.ip),  
+                watched1    = handleEmpty(lease.active),   
+                watched2    = handleEmpty(lease.hostname),
+                watched3    = handleEmpty(lease.hardware),
+                watched4    = handleEmpty(lease.binding_state),
+                extra       = handleEmpty(path),
+                foreignKey  = handleEmpty(lease.ethernet)
             )
     return plugin_objects
 
diff --git a/front/plugins/plugin_helper.py b/front/plugins/plugin_helper.py
index 2b28b2e9..610f5a5e 100755
--- a/front/plugins/plugin_helper.py
+++ b/front/plugins/plugin_helper.py
@@ -33,6 +33,13 @@ pialertConfigFile = read_config_file()
 timeZoneSetting = pialertConfigFile['TIMEZONE']
 timeZone = pytz.timezone(timeZoneSetting)
 
+# -------------------------------------------------------------------
+def handleEmpty(input):
+    if input == '' or None:
+        return 'null'
+    else:
+        return input
+
 # -------------------------------------------------------------------
 def decodeBase64(inputParamBase64):