diff --git a/x/authz/generic_authorization.go b/x/authz/generic_authorization.go
index 4256c5fb1a3b..d543a6b282a6 100644
--- a/x/authz/generic_authorization.go
+++ b/x/authz/generic_authorization.go
@@ -2,6 +2,7 @@ package authz
 
 import (
 	"context"
+	"errors"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/authz"
@@ -26,5 +27,8 @@ func (a GenericAuthorization) Accept(ctx context.Context, msg sdk.Msg) (authz.Ac
 
 // ValidateBasic implements Authorization.ValidateBasic.
 func (a GenericAuthorization) ValidateBasic() error {
+	if a.Msg == "" {
+		return errors.New("msg type cannot be empty")
+	}
 	return nil
 }