diff --git a/x/dymns/keeper/hooks.go b/x/dymns/keeper/hooks.go
index ee9f33adc..0b2997f59 100644
--- a/x/dymns/keeper/hooks.go
+++ b/x/dymns/keeper/hooks.go
@@ -61,7 +61,7 @@ func (h rollappHooks) RollappCreated(ctx sdk.Context, rollappID, alias string, c
 
 	err := h.Keeper.registerAliasForRollApp(ctx, rollappID, creatorAddr, alias, aliasCost)
 	if err != nil {
-		return errorsmod.Wrap(errors.Join(gerrc.ErrInternal, err), "register alias for RollApp")
+		return errorsmod.Wrap(errors.Join(gerrc.ErrUnknown, err), "register alias for RollApp")
 	}
 
 	return nil
@@ -130,7 +130,7 @@ func (h rollappHooks) OnRollAppIdChanged(ctx sdk.Context, previousRollAppId, new
 
 		for _, alias := range aliasesLinkedToPreviousRollApp {
 			if err := h.MoveAliasToRollAppId(ctx, previousRollAppId, alias, newRollAppId); err != nil {
-				return errorsmod.Wrapf(errors.Join(gerrc.ErrInternal, err), "failed to migrate alias: %s", alias)
+				return errorsmod.Wrapf(errors.Join(gerrc.ErrUnknown, err), "failed to migrate alias: %s", alias)
 			}
 		}
 
@@ -147,7 +147,7 @@ func (h rollappHooks) OnRollAppIdChanged(ctx sdk.Context, previousRollAppId, new
 		}
 
 		if err := h.migrateChainIdsInDymNames(ctx, previousChainIdsToNewChainId); err != nil {
-			return errorsmod.Wrapf(errors.Join(gerrc.ErrInternal, err), "failed to migrate chain-ids in Dym-Names")
+			return errorsmod.Wrapf(errors.Join(gerrc.ErrUnknown, err), "failed to migrate chain-ids in Dym-Names")
 		}
 
 		return nil
diff --git a/x/dymns/keeper/msg_server_register_alias.go b/x/dymns/keeper/msg_server_register_alias.go
index 4272b3041..e91710c7c 100644
--- a/x/dymns/keeper/msg_server_register_alias.go
+++ b/x/dymns/keeper/msg_server_register_alias.go
@@ -44,7 +44,7 @@ func (k msgServer) RegisterAlias(goCtx context.Context, msg *dymnstypes.MsgRegis
 		sdk.NewCoins(registrationCost),
 	); err != nil {
 		return nil, errorsmod.Wrap(
-			errors.Join(gerrc.ErrInternal, err), "failed to register alias for RollApp",
+			errors.Join(gerrc.ErrUnknown, err), "failed to register alias for RollApp",
 		)
 	}
 
@@ -92,7 +92,7 @@ func (k Keeper) registerAliasForRollApp(
 	}
 
 	if err := k.SetAliasForRollAppId(ctx, rollAppId, alias); err != nil {
-		return errorsmod.Wrap(gerrc.ErrInternal, "failed to set alias for RollApp")
+		return errorsmod.Wrap(gerrc.ErrUnknown, "failed to set alias for RollApp")
 	}
 
 	ctx.EventManager().EmitEvent(sdk.NewEvent(
diff --git a/x/dymns/keeper/proposal.go b/x/dymns/keeper/proposal.go
index adea37860..d04e6f9f2 100644
--- a/x/dymns/keeper/proposal.go
+++ b/x/dymns/keeper/proposal.go
@@ -73,7 +73,7 @@ func (k Keeper) migrateChainIdsInParams(ctx sdk.Context, previousChainIdsToNewCh
 	}
 
 	if err := k.SetParams(ctx, params); err != nil {
-		return errorsmod.Wrapf(errors.Join(gerrc.ErrInternal, err), "failed to update params")
+		return errorsmod.Wrapf(errors.Join(gerrc.ErrUnknown, err), "failed to update params")
 	}
 
 	return nil
@@ -127,7 +127,7 @@ func (k Keeper) migrateChainIdsInDymNames(ctx sdk.Context, previousChainIdsToNew
 
 		if err := k.SetDymName(ctx, dymName); err != nil {
 			return errorsmod.Wrapf(
-				errors.Join(gerrc.ErrInternal, err),
+				errors.Join(gerrc.ErrUnknown, err),
 				"failed to migrate chain ids for Dym-Name: %s", dymName.Name,
 			)
 		}
@@ -212,7 +212,7 @@ func (k Keeper) UpdateAliases(ctx sdk.Context, add, remove []dymnstypes.UpdateAl
 	params.Chains.AliasesOfChainIds = newAliasesOfChainIds
 
 	if err := k.SetParams(ctx, params); err != nil {
-		return errorsmod.Wrap(errors.Join(gerrc.ErrInternal, err), "failed to update params")
+		return errorsmod.Wrap(errors.Join(gerrc.ErrUnknown, err), "failed to update params")
 	}
 
 	return nil