diff --git a/lib/plugins/sfCompat10Plugin/lib/config/sfValidatorConfigHandler.class.php b/lib/plugins/sfCompat10Plugin/lib/config/sfValidatorConfigHandler.class.php
index bb9b1ca197..f3923d477c 100644
--- a/lib/plugins/sfCompat10Plugin/lib/config/sfValidatorConfigHandler.class.php
+++ b/lib/plugins/sfCompat10Plugin/lib/config/sfValidatorConfigHandler.class.php
@@ -104,7 +104,7 @@ public function execute($configFiles)
 
     $this->generateRegistration('GET', $data, $methods, $names, $validators);
 
-    if (count($fillin))
+    if ($fillin !== null && count($fillin))
     {
       $data[] = sprintf("  \$this->context->getRequest()->setAttribute('symfony.fillin', %s);", $fillin);
     }
@@ -117,7 +117,7 @@ public function execute($configFiles)
 
     $this->generateRegistration('POST', $data, $methods, $names, $validators);
 
-    if (count($fillin))
+    if ($fillin !== null && count($fillin))
     {
       $data[] = sprintf("  \$this->context->getRequest()->setAttribute('symfony.fillin', %s);", $fillin);
     }