diff --git a/library/Director/Objects/IcingaArguments.php b/library/Director/Objects/IcingaArguments.php
index 1492ecd8..e2115299 100644
--- a/library/Director/Objects/IcingaArguments.php
+++ b/library/Director/Objects/IcingaArguments.php
@@ -190,10 +190,14 @@ class IcingaArguments implements Iterator, Countable, IcingaConfigRenderer
             }
         }
 
-        if (array_key_exists('set_if', $attrs) && is_object($attrs['set_if'])) {
-            if ($attrs['set_if']->type === 'Function') {
+        if (array_key_exists('set_if', $attrs)) {
+            if (is_object($attrs['set_if']) && $attrs['set_if']->type === 'Function') {
                 $attrs['set_if'] = '/* Unable to fetch function body through API */';
                 $attrs['set_if_format'] = 'expression';
+            } elseif (property_exists($value, 'set_if_format')) {
+                if (in_array($value->set_if_format, ['string', 'expression', 'json'])) {
+                    $attrs['set_if_format'] = $value->set_if_format;
+                }
             }
         }