diff --git a/ObservatoryBotanist/ObservatoryBotanist.csproj b/ObservatoryBotanist/ObservatoryBotanist.csproj
index bb07392..4008d8b 100644
--- a/ObservatoryBotanist/ObservatoryBotanist.csproj
+++ b/ObservatoryBotanist/ObservatoryBotanist.csproj
@@ -21,8 +21,8 @@
   </ItemGroup>
   
   <Target Name="PostBuild" AfterTargets="PostBuildEvent">
-    <Exec Condition=" '$(OS)' == 'Windows_NT' " Command="xcopy $(TargetPath) $(SolutionDir)\..\ObservatoryCore\$(OutDir)plugins\ /y" />
-    <Exec Condition=" '$(OS)' != 'Windows_NT' " Command="cp $(TargetPath) $(SolutionDir)/../ObservatoryCore/$(OutDir)plugins/ -f" />
+    <Exec Condition=" '$(OS)' == 'Windows_NT' " Command="xcopy $(TargetPath) $(ProjectDir)..\ObservatoryCore\$(OutDir)plugins\ /y" />
+    <Exec Condition=" '$(OS)' != 'Windows_NT' " Command="cp $(TargetPath) $(ProjectDir)../ObservatoryCore/$(OutDir)plugins/ -f" />
   </Target>
 
 </Project>
diff --git a/ObservatoryCore/ObservatoryCore.csproj b/ObservatoryCore/ObservatoryCore.csproj
index cb7b39a..65ee657 100644
--- a/ObservatoryCore/ObservatoryCore.csproj
+++ b/ObservatoryCore/ObservatoryCore.csproj
@@ -64,4 +64,11 @@
     </None>
   </ItemGroup>
 
+  <Target Name="PreBuild" BeforeTargets="PreBuildEvent">
+    <Exec Condition=" '$(OS)' == 'Windows_NT'" Command="if not exist &quot;$(ProjectDir)..\ObservatoryFramework\bin\Release\net5.0\ObservatoryFramework.dll&quot; dotnet build &quot;$(ProjectDir)..\ObservatoryFramework\ObservatoryFramework.csproj&quot; -c Release" />
+    <Exec Condition=" '$(OS)' == 'Windows_NT'" Command="if not exist &quot;$(OutDir)plugins\ObservatoryExplorer.dll&quot; dotnet build &quot;$(ProjectDir)..\ObservatoryExplorer\ObservatoryExplorer.csproj&quot; -c $(ConfigurationName)" />
+    <Exec Condition=" '$(OS)' != 'Windows_NT'" Command="[ -e &quot;$(ProjectDir)../ObservatoryFramework/bin/Release/net5.0/ObservatoryFramework.dll&quot; ] &amp;&amp; dotnet build &quot;$(ProjectDir)../ObservatoryFramework/ObservatoryFramework.csproj&quot; -c Release" />
+    <Exec Condition=" '$(OS)' != 'Windows_NT'" Command="[ -e &quot;$(OutDir)plugins/ObservatoryExplorer.dll&quot; ] &amp;&amp; dotnet build &quot;$(ProjectDir)../ObservatoryExplorer/ObservatoryExplorer.csproj&quot; -c $(ConfigurationName)" />
+  </Target>
+
 </Project>
diff --git a/ObservatoryExplorer/ObservatoryExplorer.csproj b/ObservatoryExplorer/ObservatoryExplorer.csproj
index b860c2b..9d2e28f 100644
--- a/ObservatoryExplorer/ObservatoryExplorer.csproj
+++ b/ObservatoryExplorer/ObservatoryExplorer.csproj
@@ -19,14 +19,14 @@
   </PropertyGroup>
   
   <Target Name="PostBuild" AfterTargets="PostBuildEvent">
-    <Exec Condition=" '$(OS)' == 'Windows_NT' " Command="xcopy $(TargetPath) $(SolutionDir)\..\ObservatoryCore\$(OutDir)plugins\ /y" />
-    <Exec Condition=" '$(OS)' == 'Windows_NT' " Command="xcopy $(TargetDir)\NLua.dll $(SolutionDir)\..\ObservatoryCore\$(OutDir)plugins\deps\ /y" />
-    <Exec Condition=" '$(OS)' == 'Windows_NT' " Command="xcopy $(TargetDir)\KeraLua.dll $(SolutionDir)\..\ObservatoryCore\$(OutDir)plugins\deps\ /y" />
-    <Exec Condition=" '$(OS)' == 'Windows_NT' " Command="xcopy $(TargetDir)\runtimes\win-x64\native\lua54.dll $(SolutionDir)\..\ObservatoryCore\$(OutDir)plugins\deps\ /y" />
-    <Exec Condition=" '$(OS)' != 'Windows_NT' " Command="cp $(TargetPath) $(SolutionDir)/../ObservatoryCore/$(OutDir)plugins/ -f" />
-    <Exec Condition=" '$(OS)' != 'Windows_NT' " Command="cp $(TargetDir)/NLua.dll $(SolutionDir)/../ObservatoryCore/$(OutDir)plugins/deps/ -f" />
-    <Exec Condition=" '$(OS)' != 'Windows_NT' " Command="cp $(TargetDir)/KeraLua.dll $(SolutionDir)/../ObservatoryCore/$(OutDir)plugins/deps/ -f" />
-    <Exec Condition=" '$(OS)' != 'Windows_NT' " Command="cp ~/.nuget/packages/keralua/1.2.14/runtimes/linux-x64/native/liblua54.so $(SolutionDir)/../ObservatoryCore/$(OutDir)lua54.so -f" />
+    <Exec Condition=" '$(OS)' == 'Windows_NT' " Command="xcopy $(TargetPath) $(ProjectDir)..\ObservatoryCore\$(OutDir)plugins\ /y" />
+    <Exec Condition=" '$(OS)' == 'Windows_NT' " Command="xcopy $(TargetDir)\NLua.dll $(ProjectDir)..\ObservatoryCore\$(OutDir)plugins\deps\ /y" />
+    <Exec Condition=" '$(OS)' == 'Windows_NT' " Command="xcopy $(TargetDir)\KeraLua.dll $(ProjectDir)..\ObservatoryCore\$(OutDir)plugins\deps\ /y" />
+    <Exec Condition=" '$(OS)' == 'Windows_NT' " Command="xcopy $(TargetDir)\runtimes\win-x64\native\lua54.dll $(ProjectDir)..\ObservatoryCore\$(OutDir)plugins\deps\ /y" />
+    <Exec Condition=" '$(OS)' != 'Windows_NT' " Command="cp $(TargetPath) $(ProjectDir)../ObservatoryCore/$(OutDir)plugins/ -f" />
+    <Exec Condition=" '$(OS)' != 'Windows_NT' " Command="cp $(TargetDir)/NLua.dll $(ProjectDir)../ObservatoryCore/$(OutDir)plugins/deps/ -f" />
+    <Exec Condition=" '$(OS)' != 'Windows_NT' " Command="cp $(TargetDir)/KeraLua.dll $(ProjectDir)../ObservatoryCore/$(OutDir)plugins/deps/ -f" />
+    <Exec Condition=" '$(OS)' != 'Windows_NT' " Command="cp $(TargetDir)/runtimes/linux-x64/native/liblua54.so $(ProjectDir)../ObservatoryCore/$(OutDir)lua54.so -f" />
   </Target>
   
   <ItemGroup>