diff --git a/jnius/reflect.py b/jnius/reflect.py
index 003e7fb..a43325a 100644
--- a/jnius/reflect.py
+++ b/jnius/reflect.py
@@ -239,8 +239,9 @@ def autoclass(clsname):
                 classDict[name] = (JavaStaticMethod if static else JavaMethod)(sig, varargs=varargs)
                 if name != 'getClass' and bean_getter(name) and len(method.getParameterTypes()) == 0:
                     lowername = lower_name(name[2 if name.startswith('is') else 3:])
-                    classDict[lowername] = (lambda n: property(lambda self: getattr(self, n)()))(name)
-                continue
+                    if lowername not in methods_name:
+                        classDict[lowername] = (lambda n: property(lambda self: getattr(self, n)()))(name)
+                    continue
 
             # multiple signatures
             signatures = []