diff --git a/dmarcreceiver/model.py b/dmarcreceiver/model.py
index 8cee829..18a467e 100644
--- a/dmarcreceiver/model.py
+++ b/dmarcreceiver/model.py
@@ -22,11 +22,11 @@ def init_model():
     return DBSession
 
 Alignment = Enum('r', 's')
-Disposition = Enum('none', 'quarantine', 'reject')
-DMARCResult = Enum('pass', 'fail')
-PolicyOverride = Enum('forwarded', 'sampled_out', 'trusted_forwarder', 'other')
-SPFResultType = Enum('none', 'neutral', 'pass', 'fail', 'softfail', 'temperror', 'permerror')
-DKIMResultType = Enum('none', 'pass', 'fail', 'policy', 'neutral', 'temperror', 'permerror')
+Disposition = Enum('none', 'quarantine', 'reject', name='disposition')
+DMARCResult = Enum('pass', 'fail', name='dmarc_result')
+PolicyOverride = Enum('forwarded', 'sampled_out', 'trusted_forwarder', 'other', name='policy_override')
+SPFResultType = Enum('none', 'neutral', 'pass', 'fail', 'softfail', 'temperror', 'permerror', name='spf_result')
+DKIMResultType = Enum('none', 'pass', 'fail', 'policy', 'neutral', 'temperror', 'permerror', name='dkim_result')
 
 class INET(satypes.TypeDecorator):
     impl = satypes.CHAR