diff --git a/gracedb/api/v1/superevents/serializers.py b/gracedb/api/v1/superevents/serializers.py
index 3a2e82e5e50c585c8c0a2dc89e76f98bcf6d94ff..540e636985c74b2093aaefd2cc09656a9ba4afbc 100644
--- a/gracedb/api/v1/superevents/serializers.py
+++ b/gracedb/api/v1/superevents/serializers.py
@@ -611,8 +611,7 @@ class SupereventVOEventSerializer(serializers.ModelSerializer):
         super(SupereventVOEventSerializer, self).__init__(*args, **kwargs)
         read_only_fields = ['file_version', 'filename', 'ivorn',
             'coinc_comment', 'prob_has_ns', 'prob_has_remnant', 'prob_bns',
-            'prob_nsbh', 'prob_bbh', 'prob_terrestrial', 'prob_mass_gap',
-            'raven_coinc']
+            'prob_nsbh', 'prob_bbh', 'prob_terrestrial', 'prob_mass_gap', ]
         for f in read_only_fields:
             self.fields.get(f).read_only = True
 
diff --git a/gracedb/events/models.py b/gracedb/events/models.py
index f41c303dd392c4b8e591021c271d2a3431880b99..978a35d95460dddbfabae69a7df842a8e6fb96a0 100644
--- a/gracedb/events/models.py
+++ b/gracedb/events/models.py
@@ -1009,7 +1009,7 @@ class VOEventBase(CleanSaveModel):
         models.fields.validators.MaxValueValidator(1.0)])
 
     # Additional RAVEN Fields
-    raven_coinc = models.BooleanField(null=False, default=True, blank=True)
+    raven_coinc = models.BooleanField(null=False, default=False, blank=True)
     ext_gcn = models.CharField(max_length=20, default="", blank=True,
         editable=False)
     ext_pipeline = models.CharField(max_length=20, default="", blank=True,