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-rw-r--r--ishtar_common/wizards.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/ishtar_common/wizards.py b/ishtar_common/wizards.py
index 87a126879..18336cff5 100644
--- a/ishtar_common/wizards.py
+++ b/ishtar_common/wizards.py
@@ -634,7 +634,11 @@ class Wizard(NamedUrlWizardView):
if type(value) == dict:
model = related_model.model
if hasattr(related_model, 'through') and \
- related_model.through:
+ related_model.through and \
+ hasattr(related_model.through, 'RELATIVE_MODELS') \
+ and self.get_saved_model() in \
+ related_model.through.RELATIVE_MODELS:
+ # the form is dealing with the through parameter
model = related_model.through
# not m2m -> foreign key
if not hasattr(related_model, 'clear'):