1 files changed, 3 insertions, 3 deletions
diff --git a/library/Director/Web/Table/CustomvarVariantsTable.php b/library/Director/Web/Table/CustomvarVariantsTable.php
index 80fca70..8447e36 100644
--- a/library/Director/Web/Table/CustomvarVariantsTable.php
+++ b/library/Director/Web/Table/CustomvarVariantsTable.php
@@ -108,11 +108,11 @@ class CustomvarVariantsTable extends ZfQueryBasedTable
         $columns["cnt_$type"] = 'COUNT(*)';
         $columns['format'] = 'v.format';
         return $db->select()->from(
-            ['v' => "icinga_${type}_var"],
+            ['v' => "icinga_{$type}_var"],
             $columns
         )->join(
-            ['o' => "icinga_${type}"],
-            "o.id = v.${type}_id",
+            ['o' => "icinga_{$type}"],
+            "o.id = v.{$type}_id",
             []
         )->where(
             'v.varname = ?',