diff --git a/install_minimal/include/AirtimeInstall.php b/install_minimal/include/AirtimeInstall.php
index 149741a90..79d741007 100644
--- a/install_minimal/include/AirtimeInstall.php
+++ b/install_minimal/include/AirtimeInstall.php
@@ -293,6 +293,21 @@ class AirtimeInstall
         }
         return true;
     }
+    
+    public static function SetImportTimestamp()
+    {
+        global $CC_DBC;
+
+        $now = time();
+        
+        $sql = "INSERT INTO cc_pref (keystr, valstr) VALUES ('import_timestamp', '$now')";
+        $result = $CC_DBC->query($sql);
+        if (PEAR::isError($result)) {
+            return false;
+        }
+        return true;
+    }
+    
 
     public static function GetAirtimeVersion()
     {
diff --git a/install_minimal/include/airtime-db-install.php b/install_minimal/include/airtime-db-install.php
index 7f008b1fe..c2fd837b0 100644
--- a/install_minimal/include/airtime-db-install.php
+++ b/install_minimal/include/airtime-db-install.php
@@ -47,7 +47,9 @@ if (isset($argv[1]) && $argv[1] == 'y') {
 echo "* Setting Airtime version".PHP_EOL;
 AirtimeInstall::SetAirtimeVersion(AIRTIME_VERSION);
 
+// set up some keys in DB
 AirtimeInstall::SetUniqueId();
+AirtimeInstall::SetImportTimestamp();
 
 if (AirtimeInstall::$databaseTablesCreated) {
 
diff --git a/install_minimal/upgrades/airtime-1.9.0/airtime-upgrade.php b/install_minimal/upgrades/airtime-1.9.0/airtime-upgrade.php
index ce1a49ab9..13bf10b36 100644
--- a/install_minimal/upgrades/airtime-1.9.0/airtime-upgrade.php
+++ b/install_minimal/upgrades/airtime-1.9.0/airtime-upgrade.php
@@ -783,6 +783,10 @@ AirtimeInstall::MigrateTablesToVersion(__DIR__, '20110713161043');
 
 AirtimeInstall::InsertCountryDataIntoDatabase();
 
+// set up some keys in DB
+AirtimeInstall::SetUniqueId();
+AirtimeInstall::SetImportTimestamp();
+
 AirtimeIni::CreateMonitFile();
 
 AirtimeInstall::CreateSymlinksToUtils();