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 a0a38742d..e45f0591a 100644
--- a/install_minimal/upgrades/airtime-1.8.0/airtime-upgrade.php
+++ b/install_minimal/upgrades/airtime-1.8.0/airtime-upgrade.php
@@ -75,7 +75,7 @@ function CreateIniFiles($suffix)
         echo "Could not copy airtime.conf.$suffix to /etc/airtime/. Exiting.";
         exit(1);
     }
-    if (!copy__DIR__."/pypo.cfg.$suffix", CONF_FILE_PYPO)){
+    if (!copy(__DIR__."/pypo.cfg.$suffix", CONF_FILE_PYPO)){
         echo "Could not copy pypo.cfg.$suffix to /etc/airtime/. Exiting.";
         exit(1);
     }
diff --git a/install_minimal/upgrades/airtime-1.8.1/airtime-upgrade.php b/install_minimal/upgrades/airtime-1.8.1/airtime-upgrade.php
index ea00b43de..a3245522b 100644
--- a/install_minimal/upgrades/airtime-1.8.1/airtime-upgrade.php
+++ b/install_minimal/upgrades/airtime-1.8.1/airtime-upgrade.php
@@ -127,7 +127,7 @@ function CreateIniFiles($suffix)
         echo "Could not copy airtime.conf.$suffix to /etc/airtime/. Exiting.";
         exit(1);
     }
-    if (!copy__DIR__."/pypo.cfg.$suffix", CONF_FILE_PYPO)){
+    if (!copy(__DIR__."/pypo.cfg.$suffix", CONF_FILE_PYPO)){
         echo "Could not copy pypo.cfg.$suffix to /etc/airtime/. Exiting.";
         exit(1);
     }
diff --git a/install_minimal/upgrades/airtime-1.8.2/airtime-upgrade.php b/install_minimal/upgrades/airtime-1.8.2/airtime-upgrade.php
index 3257e92c8..c19234d65 100644
--- a/install_minimal/upgrades/airtime-1.8.2/airtime-upgrade.php
+++ b/install_minimal/upgrades/airtime-1.8.2/airtime-upgrade.php
@@ -127,7 +127,7 @@ function CreateIniFiles($suffix)
         echo "Could not copy airtime.conf.$suffix to /etc/airtime/. Exiting.";
         exit(1);
     }
-    if (!copy__DIR__."/pypo.cfg.$suffix", CONF_FILE_PYPO)){
+    if (!copy(__DIR__."/pypo.cfg.$suffix", CONF_FILE_PYPO)){
         echo "Could not copy pypo.cfg.$suffix to /etc/airtime/. Exiting.";
         exit(1);
     }