diff --git a/cmd/cli/log_writer.go b/cmd/cli/log_writer.go
index a6fb7eb..03e7139 100644
--- a/cmd/cli/log_writer.go
+++ b/cmd/cli/log_writer.go
@@ -16,7 +16,7 @@ import (
 
 const (
 	logWriterSize        = 1024 * 1024 * 5 // 5 MB
-	logWriterInitialSize = 32              // 32 B
+	logWriterInitialSize = 32 * 1024       // 32 KB
 	logSentInterval      = time.Minute
 	logTruncatedMarker   = "...\n"
 )
diff --git a/cmd/cli/log_writer_test.go b/cmd/cli/log_writer_test.go
index 6882ea0..92c772b 100644
--- a/cmd/cli/log_writer_test.go
+++ b/cmd/cli/log_writer_test.go
@@ -7,7 +7,7 @@ import (
 )
 
 func Test_logWriter_Write(t *testing.T) {
-	size := 64
+	size := 64 * 1024
 	lw := &logWriter{size: size}
 	lw.buf.Grow(lw.size)
 	data := strings.Repeat("A", size)
@@ -22,8 +22,8 @@ func Test_logWriter_Write(t *testing.T) {
 		t.Fatalf("unexpected new buf content: %v", lw.buf.String())
 	}
 
-	bigData := strings.Repeat("B", 256)
-	expected := halfData + strings.Repeat("B", 16)
+	bigData := strings.Repeat("B", 256*1024)
+	expected := halfData + strings.Repeat("B", 16*1024)
 	lw.Write([]byte(bigData))
 	if lw.buf.String() != expected {
 		t.Fatalf("unexpected big buf content: %v", lw.buf.String())
@@ -31,7 +31,7 @@ func Test_logWriter_Write(t *testing.T) {
 }
 
 func Test_logWriter_ConcurrentWrite(t *testing.T) {
-	size := 64
+	size := 64 * 1024
 	lw := &logWriter{size: size}
 	n := 10
 	var wg sync.WaitGroup