diff --git a/src/Products/PlonePAS/tools/memberdata.py b/src/Products/PlonePAS/tools/memberdata.py
index 29d2386a..36a9245e 100644
--- a/src/Products/PlonePAS/tools/memberdata.py
+++ b/src/Products/PlonePAS/tools/memberdata.py
@@ -304,7 +304,7 @@ def getProperty(self, id, default=_marker):
             if sheet.hasProperty(id):
                 # Return the first one that has the property.
                 value = sheet.getProperty(id)
-                if isinstance(value, six.text_type):
+                if six.PY2 and isinstance(value, six.text_type):
                     # XXX Temporarily work around the fact that
                     # property sheets blindly store and return
                     # unicode. This is sub-optimal and should be