diff --git a/DependencyInjection/Compiler/AddPropelTagPass.php b/DependencyInjection/Compiler/AddPropelTagPass.php
index 8484b4e..b74de5f 100644
--- a/DependencyInjection/Compiler/AddPropelTagPass.php
+++ b/DependencyInjection/Compiler/AddPropelTagPass.php
@@ -51,7 +51,10 @@ protected function getPropelModels(ContainerBuilder $container)
             $path = preg_replace('/(.+)\.php/', '$1', $path);
             $path = str_replace('/', '\\', $path);
 
-            $classes[] = $path;
+            $base = str_replace('Propel', 'Propel\\Base', $path);
+            if (class_exists($base)) {
+                $classes[] = $path;
+            }
         }
 
         return $classes;