diff --git a/internal/consensus/state_test.go b/internal/consensus/state_test.go
index 8fc5bff9d..be1522cbf 100644
--- a/internal/consensus/state_test.go
+++ b/internal/consensus/state_test.go
@@ -2260,19 +2260,36 @@ func TestPrepareProposalReceivesVoteExtensions(t *testing.T) {
 	}
 }
 
-func TestVerifyVoteExtensionCalled(t *testing.T) {
+func TestVoteExtensionRequiredHeight(t *testing.T) {
 	for _, testCase := range []struct {
-		name                 string
-		hasExtension         bool
-		initialRequireHeight int64
+		name                  string
+		initialRequiredHeight int64
+		hasExtension          bool
+		expectSuccessfulRound bool
 	}{
 		{
-			name:         "called when extension present",
-			hasExtension: true,
+			name:                  "extension present but not required",
+			hasExtension:          true,
+			initialRequiredHeight: 0,
+			expectSuccessfulRound: true,
 		},
 		{
-			name:         "not called when extension absent",
-			hasExtension: false,
+			name:                  "extension absent but not required",
+			hasExtension:          false,
+			initialRequiredHeight: 0,
+			expectSuccessfulRound: true,
+		},
+		{
+			name:                  "extension present and required",
+			hasExtension:          true,
+			initialRequiredHeight: 1,
+			expectSuccessfulRound: true,
+		},
+		{
+			name:                  "extension absent but required",
+			hasExtension:          false,
+			initialRequiredHeight: 1,
+			expectSuccessfulRound: false,
 		},
 	} {
 		t.Run(testCase.name, func(t *testing.T) {
@@ -2294,10 +2311,11 @@ func TestVerifyVoteExtensionCalled(t *testing.T) {
 			}
 			m.On("FinalizeBlock", mock.Anything, mock.Anything).Return(&abci.ResponseFinalizeBlock{}, nil).Maybe()
 			m.On("Commit", mock.Anything).Return(&abci.ResponseCommit{}, nil).Maybe()
-			l := log.NewTestingLogger(t)
-			cs1, vss := makeState(ctx, t, makeStateArgs{config: config, application: m, logger: l, validators: numValidators})
+			cs1, vss := makeState(ctx, t, makeStateArgs{config: config, application: m, validators: numValidators})
+			cs1.state.ConsensusParams.Vote.ExtensionRequireHeight = testCase.initialRequiredHeight
 			height, round := cs1.Height, cs1.Round
 
+			timeoutCh := subscribe(ctx, t, cs1.eventBus, types.EventQueryTimeoutPropose)
 			proposalCh := subscribe(ctx, t, cs1.eventBus, types.EventQueryCompleteProposal)
 			newRoundCh := subscribe(ctx, t, cs1.eventBus, types.EventQueryNewRound)
 			pv1, err := cs1.privValidator.GetPubKey(ctx)
@@ -2323,7 +2341,7 @@ func TestVerifyVoteExtensionCalled(t *testing.T) {
 			if testCase.hasExtension {
 				ext = []byte("extension")
 			}
-			// sign all of the precommits
+
 			for _, vs := range vss[1:] {
 				vote, err := vs.signVote(ctx, tmproto.PrecommitType, config.ChainID(), blockID, ext)
 				if !testCase.hasExtension {
@@ -2332,9 +2350,14 @@ func TestVerifyVoteExtensionCalled(t *testing.T) {
 				require.NoError(t, err)
 				addVotes(cs1, vote)
 			}
-			ensurePrecommit(t, voteCh, height, round)
+			if testCase.expectSuccessfulRound {
+				ensurePrecommit(t, voteCh, height, round)
+				height++
+			} else {
+				ensureNewTimeout(t, timeoutCh, height, round, cs1.state.ConsensusParams.Timeout.VoteTimeout(round).Nanoseconds())
+				round++
+			}
 
-			height++
 			ensureNewRound(t, newRoundCh, height, round)
 			m.AssertExpectations(t)
 		})