diff --git a/Pilz/AppVersion.cs b/Pilz/AppVersion.cs
index 0456321..fc62e8b 100644
--- a/Pilz/AppVersion.cs
+++ b/Pilz/AppVersion.cs
@@ -6,6 +6,11 @@ namespace Pilz;
 [method: JsonConstructor]
 public class AppVersion(Version version, int build, AppChannel channel) : IComparable, IComparable<AppVersion>
 {
+    // F i e l d s
+
+    private bool hasBuild;
+    private bool hasChannel;
+
     // P r o p e r t i e s
 
     [JsonConverter(typeof(Newtonsoft.Json.Converters.VersionConverter))]
@@ -30,10 +35,10 @@ public class AppVersion(Version version, int build, AppChannel channel) : ICompa
     {
         string version = Version.ToString();
 
-        if (Channel != AppChannel.Stable || Build != 1)
+        if (Channel != AppChannel.Stable || hasChannel || Build != 1 || hasBuild)
             version += "-" + Channel.ToString().ToLowerInvariant();
 
-        if (Build != 1)
+        if (Build != 1 || hasBuild)
             version += "." + Build;
 
         return version;
@@ -169,15 +174,30 @@ public class AppVersion(Version version, int build, AppChannel channel) : ICompa
             throw new FormatException("Bad version format: " + versionStr);
 
         // Parse channel
+        bool hasChannel;
         if (!Enum.TryParse(channelStr, true, out AppChannel channel))
+        {
             channel = AppChannel.Stable;
+            hasChannel = false;
+        }
+        else
+            hasChannel = true;
 
         // Parse build
+        bool hasBuild;
         if (!int.TryParse(buildStr, out var build))
+        {
             build = 1;
+            hasBuild = false;
+        }
+        else
+            hasBuild = true;
 
-        // Return new appversin
-        return new AppVersion(version, build, channel);
+        // Build new appversin
+        var appversion = new AppVersion(version, build, channel);
+        appversion.hasChannel = hasChannel;
+        appversion.hasBuild = hasBuild;
+        return appversion;
     }
 
     // C o m p a r e
diff --git a/Pilz/Pilz.csproj b/Pilz/Pilz.csproj
index 243c0b1..7ed151d 100644
--- a/Pilz/Pilz.csproj
+++ b/Pilz/Pilz.csproj
@@ -5,7 +5,7 @@
     <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>annotations</Nullable>
-    <Version>2.7.2</Version>
+    <Version>2.7.3</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">