diff --git a/x/ccv/provider/client/cli/tx.go b/x/ccv/provider/client/cli/tx.go
index 78fbaaf9df..d0495cfe0d 100644
--- a/x/ccv/provider/client/cli/tx.go
+++ b/x/ccv/provider/client/cli/tx.go
@@ -12,6 +12,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/flags"
 	"github.com/cosmos/cosmos-sdk/client/tx"
+	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/version"
 
@@ -101,11 +102,18 @@ Example:
 			txf = txf.WithTxConfig(clientCtx.TxConfig).WithAccountRetriever(clientCtx.AccountRetriever)
 
 			submitter := clientCtx.GetFromAddress()
-			var misbehaviour ibctmtypes.Misbehaviour
-			if err := clientCtx.Codec.UnmarshalInterfaceJSON([]byte(args[1]), &misbehaviour); err != nil {
+			misbJson, err := os.ReadFile(args[0])
+			if err != nil {
 				return err
 			}
 
+			cdc := codec.NewProtoCodec(clientCtx.InterfaceRegistry)
+
+			misbehaviour := ibctmtypes.Misbehaviour{}
+			if err := cdc.UnmarshalJSON(misbJson, &misbehaviour); err != nil {
+				return fmt.Errorf("misbehaviour unmarshalling failed: %s", err)
+			}
+
 			msg, err := types.NewMsgSubmitConsumerMisbehaviour(submitter, &misbehaviour)
 			if err != nil {
 				return err
@@ -164,13 +172,15 @@ Example:
 				return fmt.Errorf("duplicate vote evidence unmarshalling failed: %s", err)
 			}
 
-			headerRaw, err := os.ReadFile(args[1])
+			headerJson, err := os.ReadFile(args[1])
 			if err != nil {
 				return err
 			}
 
+			cdc := codec.NewProtoCodec(clientCtx.InterfaceRegistry)
+
 			header := ibctmtypes.Header{}
-			if err := types.ModuleCdc.UnmarshalJSON(headerRaw, &header); err != nil {
+			if err := cdc.UnmarshalJSON(headerJson, &header); err != nil {
 				return fmt.Errorf("infraction IBC header unmarshalling failed: %s", err)
 			}
 
diff --git a/x/ccv/provider/types/codec.go b/x/ccv/provider/types/codec.go
index d1b9203efb..6ab621f0e1 100644
--- a/x/ccv/provider/types/codec.go
+++ b/x/ccv/provider/types/codec.go
@@ -6,6 +6,8 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/msgservice"
 	govv1beta1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
+	"github.com/cosmos/ibc-go/v7/modules/core/exported"
+	tendermint "github.com/cosmos/ibc-go/v7/modules/light-clients/07-tendermint"
 )
 
 // RegisterLegacyAminoCodec registers the necessary x/ibc transfer interfaces and concrete types
@@ -43,6 +45,10 @@ func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
 		(*sdk.Msg)(nil),
 		&MsgSubmitConsumerDoubleVoting{},
 	)
+	registry.RegisterImplementations(
+		(*exported.ClientMessage)(nil),
+		&tendermint.Misbehaviour{},
+	)
 	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }