diff --git a/tests/e2e/gov/deposits.go b/tests/e2e/gov/deposits.go
index ebbbeccc4f6b..cf4b99b1ee7b 100644
--- a/tests/e2e/gov/deposits.go
+++ b/tests/e2e/gov/deposits.go
@@ -122,7 +122,7 @@ func (s *DepositTestSuite) TestQueryProposalAfterVotingPeriod() {
 	s.Require().Contains(err.Error(), fmt.Sprintf("proposal %s doesn't exist", proposalID))
 
 	// query deposits
-	deposits := s.queryDeposits(val, proposalID, true, "proposal 3 doesn't exist")
+	deposits := s.queryDeposits(val, proposalID, true, fmt.Sprintf("proposal %s doesn't exist", proposalID))
 	s.Require().Nil(deposits)
 }
 
diff --git a/tests/e2e/gov/query.go b/tests/e2e/gov/query.go
index 145f25bd6c72..5a14e9025e96 100644
--- a/tests/e2e/gov/query.go
+++ b/tests/e2e/gov/query.go
@@ -23,7 +23,7 @@ func (s *E2ETestSuite) TestCmdParams() {
 		{
 			"json output",
 			[]string{fmt.Sprintf("--%s=json", flags.FlagOutput)},
-			`{"voting_params":{"voting_period":"172800s"},"deposit_params":{"min_deposit":[{"denom":"stake","amount":"10000000"}],"max_deposit_period":"172800s"},"tally_params":{"quorum":"0.334000000000000000","threshold":"0.500000000000000000","veto_threshold":"0.334000000000000000"},"params":{"min_deposit":[{"denom":"stake","amount":"10000000"}],"max_deposit_period":"172800s","voting_period":"172800s","quorum":"0.334000000000000000","threshold":"0.500000000000000000","veto_threshold":"0.334000000000000000","min_initial_deposit_ratio":"0.000000000000000000","burn_vote_quorum":false,"burn_proposal_deposit_prevote":false,"burn_vote_veto":true}}`,
+			`{"voting_params":{"voting_period":"172800s"},"deposit_params":{"min_deposit":[{"denom":"stake","amount":"10000000"}],"max_deposit_period":"172800s"},"tally_params":{"quorum":"0.334000000000000000","threshold":"0.500000000000000000","veto_threshold":"0.334000000000000000"},"params":{"min_deposit":[{"denom":"stake","amount":"10000000"}],"max_deposit_period":"172800s","voting_period":"172800s","quorum":"0.334000000000000000","threshold":"0.500000000000000000","veto_threshold":"0.334000000000000000","min_initial_deposit_ratio":"0.000000000000000000","burn_vote_quorum":false,"burn_proposal_deposit_prevote":false,"burn_vote_veto":true,"min_deposit_ratio":"0.010000000000000000"}}`,
 		},
 		{
 			"text output",
@@ -42,6 +42,7 @@ params:
   min_deposit:
   - amount: "10000000"
     denom: stake
+  min_deposit_ratio: "0.010000000000000000"
   min_initial_deposit_ratio: "0.000000000000000000"
   quorum: "0.334000000000000000"
   threshold: "0.500000000000000000"
diff --git a/tests/e2e/gov/tx.go b/tests/e2e/gov/tx.go
index f728701badb6..f97c2acc5d02 100644
--- a/tests/e2e/gov/tx.go
+++ b/tests/e2e/gov/tx.go
@@ -305,11 +305,23 @@ func (s *E2ETestSuite) TestNewCmdDeposit() {
 			},
 			false, 2,
 		},
+		{
+			"fail deposit on existing proposal",
+			[]string{
+				"1",
+				sdk.NewCoin(s.cfg.BondDenom, sdk.NewInt(10)).String(), // 10stake -> insufficient min deposit amount
+				fmt.Sprintf("--%s=%s", flags.FlagFrom, val.Address.String()),
+				fmt.Sprintf("--%s=true", flags.FlagSkipConfirmation),
+				fmt.Sprintf("--%s=%s", flags.FlagBroadcastMode, flags.BroadcastSync),
+				fmt.Sprintf("--%s=%s", flags.FlagFees, sdk.NewCoins(sdk.NewCoin(s.cfg.BondDenom, sdk.NewInt(10))).String()),
+			},
+			false, 16,
+		},
 		{
 			"deposit on existing proposal",
 			[]string{
 				"1",
-				sdk.NewCoin(s.cfg.BondDenom, sdk.NewInt(10)).String(), // 10stake
+				sdk.NewCoin(s.cfg.BondDenom, v1.DefaultMinDepositTokens.Sub(sdk.NewInt(50))).String(), // slighty less than min initial deposit
 				fmt.Sprintf("--%s=%s", flags.FlagFrom, val.Address.String()),
 				fmt.Sprintf("--%s=true", flags.FlagSkipConfirmation),
 				fmt.Sprintf("--%s=%s", flags.FlagBroadcastMode, flags.BroadcastSync),