diff --git a/x/dex/types/message_deposit.go b/x/dex/types/message_deposit.go
index 841b0328e..aa097c823 100644
--- a/x/dex/types/message_deposit.go
+++ b/x/dex/types/message_deposit.go
@@ -71,7 +71,8 @@ func (msg *MsgDeposit) ValidateBasic() error {
 	numDeposits := len(msg.AmountsA)
 	if numDeposits != len(msg.Fees) ||
 		numDeposits != len(msg.TickIndexesAToB) ||
-		numDeposits != len(msg.AmountsB) {
+		numDeposits != len(msg.AmountsB) ||
+		numDeposits != len(msg.Options) {
 		return ErrUnbalancedTxArray
 	}
 	if numDeposits == 0 {
diff --git a/x/dex/types/message_deposit_test.go b/x/dex/types/message_deposit_test.go
index 33c8baf35..179e30c8d 100644
--- a/x/dex/types/message_deposit_test.go
+++ b/x/dex/types/message_deposit_test.go
@@ -24,6 +24,7 @@ func TestMsgDeposit_ValidateBasic(t *testing.T) {
 				TickIndexesAToB: []int64{0},
 				AmountsA:        []math.Int{math.OneInt()},
 				AmountsB:        []math.Int{math.OneInt()},
+				Options:         []*DepositOptions{{false}},
 			},
 			err: ErrInvalidAddress,
 		},
@@ -36,6 +37,7 @@ func TestMsgDeposit_ValidateBasic(t *testing.T) {
 				TickIndexesAToB: []int64{0},
 				AmountsA:        []math.Int{math.OneInt()},
 				AmountsB:        []math.Int{math.OneInt()},
+				Options:         []*DepositOptions{{false}},
 			},
 			err: ErrInvalidAddress,
 		},
@@ -48,6 +50,7 @@ func TestMsgDeposit_ValidateBasic(t *testing.T) {
 				TickIndexesAToB: []int64{},
 				AmountsA:        []math.Int{},
 				AmountsB:        []math.Int{},
+				Options:         []*DepositOptions{{false}},
 			},
 			err: ErrUnbalancedTxArray,
 		},
@@ -99,6 +102,19 @@ func TestMsgDeposit_ValidateBasic(t *testing.T) {
 			},
 			err: ErrZeroDeposit,
 		},
+		{
+			name: "invalid duplicate deposit",
+			msg: MsgDeposit{
+				Creator:         sample.AccAddress(),
+				Receiver:        sample.AccAddress(),
+				Fees:            []uint64{1, 2, 1},
+				TickIndexesAToB: []int64{0, 0, 0},
+				AmountsA:        []math.Int{math.OneInt(), math.OneInt(), math.OneInt()},
+				AmountsB:        []math.Int{math.OneInt(), math.OneInt(), math.OneInt()},
+				Options:         []*DepositOptions{{false}, {false}, {false}},
+			},
+			err: ErrDuplicatePoolDeposit,
+		},
 		{
 			name: "invalid no deposit",
 			msg: MsgDeposit{
@@ -108,6 +124,7 @@ func TestMsgDeposit_ValidateBasic(t *testing.T) {
 				TickIndexesAToB: []int64{0},
 				AmountsA:        []math.Int{math.ZeroInt()},
 				AmountsB:        []math.Int{math.ZeroInt()},
+				Options:         []*DepositOptions{{false}},
 			},
 			err: ErrZeroDeposit,
 		},
@@ -120,6 +137,7 @@ func TestMsgDeposit_ValidateBasic(t *testing.T) {
 				TickIndexesAToB: []int64{0},
 				AmountsA:        []math.Int{math.OneInt()},
 				AmountsB:        []math.Int{math.OneInt()},
+				Options:         []*DepositOptions{{false}},
 			},
 		},
 	}