diff --git a/tastypie_mongoengine/resources.py b/tastypie_mongoengine/resources.py
index 182e187..51fb8b2 100644
--- a/tastypie_mongoengine/resources.py
+++ b/tastypie_mongoengine/resources.py
@@ -722,9 +722,11 @@ def get_fields(cls, fields=None, excludes=None):
                 'attribute': name,
                 'unique': f.unique or primary_key,
                 'null': not f.required and not primary_key,
-                'help_text': f.help_text,
             }
 
+            if hasattr(f, 'help_text'):
+                kwargs['help_text'] = f.help_text
+
             # If field is not required, it does not matter if set default value,
             # so we do
             if not f.required: