diff --git a/_build/resolvers/resolver_04_sources.php b/_build/resolvers/resolver_04_sources.php
index f96a8cd8..1e37163e 100644
--- a/_build/resolvers/resolver_04_sources.php
+++ b/_build/resolvers/resolver_04_sources.php
@@ -130,6 +130,11 @@
                         $default[$k] = $v;
                     }
                 }
+                foreach ($default as $k => $prop) {
+                    if (is_array($prop) && !array_key_exists('desc', $prop)) {
+                        $default[$k]['desc'] = '';
+                    }
+                }
                 $source->set('properties', $default);
             }
             $source->save();
diff --git a/_build/resolvers/resolver_08_snippet_properties.php b/_build/resolvers/resolver_08_snippet_properties.php
index 31cc2a40..030a9102 100644
--- a/_build/resolvers/resolver_08_snippet_properties.php
+++ b/_build/resolvers/resolver_08_snippet_properties.php
@@ -41,9 +41,13 @@
                 if (!is_array($propDef)) {
                     continue;
                 }
+                if (!array_key_exists('desc', $propDef)) {
+                    $properties[$propName]['desc'] = '';
+                    $changed = true;
+                }
                 $propKey = $propName === 'includeTVs' ? 'include_tvs' : $camelToSnake($propName);
                 $newDesc = 'ms3_prop_' . $propKey;
-                $currentDesc = $propDef['desc'] ?? '';
+                $currentDesc = $properties[$propName]['desc'] ?? '';
                 if ($currentDesc !== $newDesc) {
                     $properties[$propName]['desc'] = $newDesc;
                     $changed = true;