diff --git a/PrototypWPFHAG/PrototypWPFHAG.csproj b/PrototypWPFHAG/PrototypWPFHAG.csproj
index 24d5e06..999d3ba 100644
--- a/PrototypWPFHAG/PrototypWPFHAG.csproj
+++ b/PrototypWPFHAG/PrototypWPFHAG.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net9.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows7.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <UseWPF>true</UseWPF>