diff --git a/internal/streamingnode/server/wal/interceptors/wab/write_ahead_buffer_test.go b/internal/streamingnode/server/wal/interceptors/wab/write_ahead_buffer_test.go
index f69f34b1e5..0a80f16f23 100644
--- a/internal/streamingnode/server/wal/interceptors/wab/write_ahead_buffer_test.go
+++ b/internal/streamingnode/server/wal/interceptors/wab/write_ahead_buffer_test.go
@@ -62,7 +62,7 @@ func TestWriteAheadBufferWithOnlyTrivialTimeTick(t *testing.T) {
 
 	nextTimeTick := uint64(100)
 	for {
-		nextTimeTick += uint64(rand.Int31n(1000))
+		nextTimeTick += uint64(rand.Int31n(1000) + 1)
 		wb.Append(nil, createTimeTickMessage(nextTimeTick))
 		if nextTimeTick > expectedLastTimeTick {
 			break