diff --git a/x/hard/keeper/borrow.go b/x/hard/keeper/borrow.go
index 833cf966..62cd6136 100644
--- a/x/hard/keeper/borrow.go
+++ b/x/hard/keeper/borrow.go
@@ -1,7 +1,7 @@
 package keeper
 
 import (
-	"strings"
+	"errors"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
@@ -44,7 +44,7 @@ func (k Keeper) Borrow(ctx sdk.Context, borrower sdk.AccAddress, coins sdk.Coins
 	// Sends coins from Hard module account to user
 	err = k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleAccountName, borrower, coins)
 	if err != nil {
-		if strings.Contains(err.Error(), "insufficient account funds") {
+		if errors.Is(err, sdkerrors.ErrInsufficientFunds) {
 			modAccCoins := k.supplyKeeper.GetModuleAccount(ctx, types.ModuleAccountName).GetCoins()
 			for _, coin := range coins {
 				_, isNegative := modAccCoins.SafeSub(sdk.NewCoins(coin))
@@ -56,8 +56,6 @@ func (k Keeper) Borrow(ctx sdk.Context, borrower sdk.AccAddress, coins sdk.Coins
 				}
 			}
 		}
-	}
-	if err != nil {
 		return err
 	}
 
diff --git a/x/hard/keeper/deposit.go b/x/hard/keeper/deposit.go
index 9df0127c..4187a31e 100644
--- a/x/hard/keeper/deposit.go
+++ b/x/hard/keeper/deposit.go
@@ -1,7 +1,7 @@
 package keeper
 
 import (
-	"strings"
+	"errors"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
@@ -44,7 +44,7 @@ func (k Keeper) Deposit(ctx sdk.Context, depositor sdk.AccAddress, coins sdk.Coi
 
 	err = k.supplyKeeper.SendCoinsFromAccountToModule(ctx, depositor, types.ModuleAccountName, coins)
 	if err != nil {
-		if strings.Contains(err.Error(), "insufficient account funds") {
+		if errors.Is(err, sdkerrors.ErrInsufficientFunds) {
 			accCoins := k.accountKeeper.GetAccount(ctx, depositor).SpendableCoins(ctx.BlockTime())
 			for _, coin := range coins {
 				_, isNegative := accCoins.SafeSub(sdk.NewCoins(coin))
diff --git a/x/hard/keeper/deposit_test.go b/x/hard/keeper/deposit_test.go
index a6152b8d..309b2d1e 100644
--- a/x/hard/keeper/deposit_test.go
+++ b/x/hard/keeper/deposit_test.go
@@ -91,7 +91,7 @@ func (suite *KeeperTestSuite) TestDeposit() {
 			},
 			errArgs{
 				expectPass: false,
-				contains:   "insufficient funds",
+				contains:   "insufficient funds: the requested deposit amount",
 			},
 		},
 	}