diff --git a/Elwig/App.xaml.cs b/Elwig/App.xaml.cs
index 1f04ac8..9ede8a3 100644
--- a/Elwig/App.xaml.cs
+++ b/Elwig/App.xaml.cs
@@ -88,7 +88,7 @@ namespace Elwig {
         }
 
         protected override async void OnStartup(StartupEventArgs evt) {
-            Version = typeof(App).GetTypeInfo().Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion.Split("+")[0] ?? "0.0.0";
+            Version = typeof(App).GetTypeInfo().Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion.Split('+')[0] ?? "0.0.0";
 
             try {
                 await AppDbUpdater.CheckDb();
diff --git a/Installer/Installer.wixproj b/Installer/Installer.wixproj
index 2c4f05a..d2756df 100644
--- a/Installer/Installer.wixproj
+++ b/Installer/Installer.wixproj
@@ -20,7 +20,7 @@
     <Task>
       <Using Namespace="System.Diagnostics" />
       <Code Type="Fragment" Language="cs"><![CDATA[
-          this.Version = FileVersionInfo.GetVersionInfo(this.AssemblyPath).ProductVersion;  
+          this.Version = FileVersionInfo.GetVersionInfo(this.AssemblyPath).ProductVersion.Split('+')[0];
         ]]></Code>
     </Task>
   </UsingTask>