diff --git a/src/SchemaReader.php b/src/SchemaReader.php
index c0520470..1de5e98b 100644
--- a/src/SchemaReader.php
+++ b/src/SchemaReader.php
@@ -264,6 +264,14 @@ private function loadElementRef(ElementDef $referenced, DOMElement $node)
         if ($node->hasAttribute("minOccurs")) {
             $ref->setMin((int)$node->getAttribute("minOccurs"));
         }
+        
+        $xp = new \DOMXPath($node->ownerDocument);
+        $xp->registerNamespace('xs', 'http://www.w3.org/2001/XMLSchema');
+        
+        if ($xp->query('ancestor::xs:choice', $node)->length) {
+            $ref->setMin(0);
+        }
+        
         if ($node->hasAttribute("nillable")) {
             $ref->setNil($node->getAttribute("nillable") == "true");
         }