diff --git a/backend/src/appenlight/tests/test_unit.py b/backend/src/appenlight/tests/test_unit.py
index ace3685..245d438 100644
--- a/backend/src/appenlight/tests/test_unit.py
+++ b/backend/src/appenlight/tests/test_unit.py
@@ -1498,6 +1498,7 @@ class TestAPISentryView(object):
         request = pyramid.threadlocal.get_current_request()
         context = DummyContext()
         context.resource = ApplicationService.by_id(1)
+        context.resource.allow_permanent_storage = True
         request.context = context
         request.matched_route = route
         request.body = b'eJy1UmFr2zAQ/S0T+7BCLOzYThp/C6xjG6SDLd/GCBf57Ki' \
@@ -1537,6 +1538,7 @@ class TestAPISentryView(object):
                      })
         context = DummyContext()
         context.resource = ApplicationService.by_id(1)
+        context.resource.allow_permanent_storage = True
         request.context = context
         request.matched_route = route
         request.body = SENTRY_RUBY_ENCODED
@@ -1556,6 +1558,7 @@ class TestAPISentryView(object):
         request = pyramid.threadlocal.get_current_request()
         context = DummyContext()
         context.resource = ApplicationService.by_id(1)
+        context.resource.allow_permanent_storage = True
         request.context = context
         request.matched_route = route
         request.body = json.dumps(SENTRY_PYTHON_PAYLOAD_7).encode('utf8')
@@ -1583,6 +1586,7 @@ class TestAPISentryView(object):
                      })
         context = DummyContext()
         context.resource = ApplicationService.by_id(1)
+        context.resource.allow_permanent_storage = True
         request.context = context
         request.matched_route = route
         request.body = SENTRY_PYTHON_ENCODED
diff --git a/backend/src/appenlight/validators.py b/backend/src/appenlight/validators.py
index 811a0fa..31aeff9 100644
--- a/backend/src/appenlight/validators.py
+++ b/backend/src/appenlight/validators.py
@@ -50,6 +50,12 @@ def deferred_utcnow(node, kw):
     return kw['utcnow']
 
 
+@colander.deferred
+def optional_limited_date(node, kw):
+    if not kw.get('allow_permanent_storage'):
+        return limited_date
+
+
 def lowercase_preparer(input_data):
     """
     Transforms a list of string entries to lowercase
@@ -292,9 +298,11 @@ class ReportDetailBaseSchema(colander.MappingSchema):
                               preparer=shortener_factory(1024), missing='')
     ip = colander.SchemaNode(colander.String(), preparer=shortener_factory(39),
                              missing=None)
-    start_time = colander.SchemaNode(NonTZDate(), validator=limited_date,
+    start_time = colander.SchemaNode(NonTZDate(),
+                                     validator=optional_limited_date,
                                      missing=deferred_utcnow)
-    end_time = colander.SchemaNode(NonTZDate(), validator=limited_date,
+    end_time = colander.SchemaNode(NonTZDate(),
+                                   validator=optional_limited_date,
                                    missing=None)
     user_agent = colander.SchemaNode(colander.String(),
                                      preparer=[shortener_factory(512),
diff --git a/backend/src/appenlight/views/api.py b/backend/src/appenlight/views/api.py
index b894413..dc949fc 100644
--- a/backend/src/appenlight/views/api.py
+++ b/backend/src/appenlight/views/api.py
@@ -428,7 +428,9 @@ def sentry_compat(request):
                                                      len(non_pkey_logs)))
         tasks.add_logs.delay(application.resource_id, {}, non_pkey_logs)
     if event_type == ParsedSentryEventType.ERROR_REPORT:
-        schema = ReportSchema_0_5().bind(utcnow=datetime.datetime.utcnow())
+        schema = ReportSchema_0_5().bind(
+            utcnow=datetime.datetime.utcnow(),
+            allow_permanent_storage=application.allow_permanent_storage)
         deserialized_reports = [schema.deserialize(event)]
         rate_limiting(request, application,
                       'per_application_reports_rate_limit',