diff --git a/goextVersion.go b/goextVersion.go
index 36cd72f..1b97db5 100644
--- a/goextVersion.go
+++ b/goextVersion.go
@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.393"
+const GoextVersion = "0.0.394"
 
-const GoextVersionTimestamp = "2024-02-21T18:33:18+0100"
+const GoextVersionTimestamp = "2024-02-21T18:40:42+0100"
diff --git a/rfctime/time.go b/rfctime/time.go
index 27fb583..d5aa4f1 100644
--- a/rfctime/time.go
+++ b/rfctime/time.go
@@ -21,11 +21,11 @@ func (t Time) Serialize() string {
 
 func (t Time) SerializeShort() string {
 	if t.NanoSecond == 0 && t.Second == 0 {
-		return fmt.Sprintf("%04d:%02d", t.Hour, t.Minute)
+		return fmt.Sprintf("%02d:%02d", t.Hour, t.Minute)
 	} else if t.NanoSecond == 0 {
-		return fmt.Sprintf("%04d:%02d:%02d", t.Hour, t.Minute, t.Second)
+		return fmt.Sprintf("%02d:%02d:%02d", t.Hour, t.Minute, t.Second)
 	} else {
-		return fmt.Sprintf("%04d:%02d:%02d.%09d", t.Hour, t.Minute, t.Second, t.NanoSecond)
+		return fmt.Sprintf("%02d:%02d:%02d.%09d", t.Hour, t.Minute, t.Second, t.NanoSecond)
 	}
 }