diff --git a/modules/core/04-channel/types/msgs.go b/modules/core/04-channel/types/msgs.go
index c1d708b480e..24f4fcaecd1 100644
--- a/modules/core/04-channel/types/msgs.go
+++ b/modules/core/04-channel/types/msgs.go
@@ -25,6 +25,9 @@ var (
 	_ sdk.Msg = (*MsgAcknowledgement)(nil)
 	_ sdk.Msg = (*MsgTimeout)(nil)
 	_ sdk.Msg = (*MsgTimeoutOnClose)(nil)
+	_ sdk.Msg = (*MsgChannelUpgradeInit)(nil)
+	_ sdk.Msg = (*MsgChannelUpgradeTry)(nil)
+	_ sdk.Msg = (*MsgChannelUpgradeAck)(nil)
 	_ sdk.Msg = (*MsgChannelUpgradeConfirm)(nil)
 	_ sdk.Msg = (*MsgChannelUpgradeTimeout)(nil)
 	_ sdk.Msg = (*MsgChannelUpgradeCancel)(nil)