diff --git a/src/freedombone-app-kanboard b/src/freedombone-app-kanboard
index a33da4ef..ce5d2d74 100755
--- a/src/freedombone-app-kanboard
+++ b/src/freedombone-app-kanboard
@@ -48,13 +48,23 @@ kanboard_variables=(ONION_ONLY
                     MY_USERNAME)
 
 function logging_on_kanboard {
-    kanboard_configfile=/var/www/${KANBOARD_DOMAIN_NAME}/htdocs/config.php
-    sed -i "s|define('LOG_FILE'.*|define('LOG_FILE', DATA_DIR.DIRECTORY_SEPARATOR.'debug.log');|g" $kanboard_configfile
+    read_config_param KANBOARD_DOMAIN_NAME
+    if [ $KANBOARD_DOMAIN_NAME ]; then
+        kanboard_configfile=/var/www/${KANBOARD_DOMAIN_NAME}/htdocs/config.php
+        if [ -f $kanboard_configfile ]; then
+            sed -i "s|define('LOG_FILE'.*|define('LOG_FILE', DATA_DIR.DIRECTORY_SEPARATOR.'debug.log');|g" $kanboard_configfile
+        fi
+    fi
 }
 
 function logging_off_kanboard {
-    kanboard_configfile=/var/www/${KANBOARD_DOMAIN_NAME}/htdocs/config.php
-    sed -i "s|define('LOG_FILE'.*|define('LOG_FILE', '/dev/null');|g" $kanboard_configfile
+    read_config_param KANBOARD_DOMAIN_NAME
+    if [ $KANBOARD_DOMAIN_NAME ]; then
+        kanboard_configfile=/var/www/${KANBOARD_DOMAIN_NAME}/htdocs/config.php
+        if [ -f $kanboard_configfile ]; then
+            sed -i "s|define('LOG_FILE'.*|define('LOG_FILE', '/dev/null');|g" $kanboard_configfile
+        fi
+    fi
 }
 
 function remove_user_kanboard {