diff --git a/htest/Test/Ganeti/OpCodes.hs b/htest/Test/Ganeti/OpCodes.hs
index a0ce5d85cc72f4fe29236f6ba42b6d5371d4bc90..46f35b1f637212a0fec552817d9d6c60c5090217 100644
--- a/htest/Test/Ganeti/OpCodes.hs
+++ b/htest/Test/Ganeti/OpCodes.hs
@@ -317,7 +317,7 @@ instance Arbitrary OpCodes.OpCode where
         OpCodes.OpNetworkAdd <$> genNameNE <*> arbitrary <*> genIp4Net <*>
           genMaybe genIp4Addr <*> pure Nothing <*> pure Nothing <*>
           genMaybe genMacPrefix <*> genMaybe (listOf genIp4Addr) <*>
-          (genTags >>= mapM mkNonEmpty)
+          arbitrary <*> (genTags >>= mapM mkNonEmpty)
       "OP_NETWORK_REMOVE" ->
         OpCodes.OpNetworkRemove <$> genNameNE <*> arbitrary
       "OP_NETWORK_SET_PARAMS" ->
diff --git a/htools/Ganeti/OpCodes.hs b/htools/Ganeti/OpCodes.hs
index 51fa1b9878effb07d44d3f8b07f91465492f4cd8..520662c62e181a02ead06d96c32bc1cec9fc4bf0 100644
--- a/htools/Ganeti/OpCodes.hs
+++ b/htools/Ganeti/OpCodes.hs
@@ -492,6 +492,7 @@ $(genOpCode "OpCode"
      , pNetworkGateway6
      , pNetworkMacPrefix
      , pNetworkAddRsvdIps
+     , pIpConflictsCheck
      , pInstTags
      ])
   , ("OpNetworkRemove",