diff -r b686f0081e2b -r bbffe4110141 xmlclass/xsdschema.py
--- a/xmlclass/xsdschema.py	Fri Apr 27 02:00:47 2012 +0200
+++ b/xmlclass/xsdschema.py	Mon Apr 30 16:27:25 2012 +0200
@@ -807,6 +807,10 @@
                     choices_tmp.append(choice)
             choices.extend(choices_tmp)
     
+    for choice in choices:
+        attributes["minOccurs"] = min(attributes["minOccurs"], choice["minOccurs"])
+        choice["minOccurs"] = 1
+    
     return {"type": CHOICE, "choices": choices, "minOccurs": attributes["minOccurs"],
             "maxOccurs": attributes["maxOccurs"], "doc": annotations}