diff --git a/internal/consensus/common_test.go b/internal/consensus/common_test.go
index 3400754d8..b7b5e2a8c 100644
--- a/internal/consensus/common_test.go
+++ b/internal/consensus/common_test.go
@@ -893,7 +893,7 @@ func makeGenesisState(ctx context.Context, t *testing.T, cfg *config.Config, arg
 func newMockTickerFunc(onlyOnce bool) func() TimeoutTicker {
 	return func() TimeoutTicker {
 		return &mockTicker{
-			c:        make(chan timeoutInfo, 10),
+			c:        make(chan timeoutInfo, 100),
 			onlyOnce: onlyOnce,
 		}
 	}