diff --git a/install_minimal/upgrades/airtime-1.8.0/airtime-upgrade.php b/install_minimal/upgrades/airtime-1.8.0/airtime-upgrade.php
index d3f20807f..cdb90a5a5 100644
--- a/install_minimal/upgrades/airtime-1.8.0/airtime-upgrade.php
+++ b/install_minimal/upgrades/airtime-1.8.0/airtime-upgrade.php
@@ -62,7 +62,7 @@ function CreateIniFiles()
         }
     }
 
-    if (!copy("airtime.conf.180", CONF_FILE_AIRTIME)){
+    if (!copy(__DIR__."/airtime.conf.180", CONF_FILE_AIRTIME)){
         echo "Could not copy airtime.conf to /etc/airtime/. Exiting.";
         exit(1);
     }