diff --git a/src/Squirrel/Squirrel.csproj b/src/Squirrel/Squirrel.csproj
index 9d88e91f9..fd7ab6c5b 100644
--- a/src/Squirrel/Squirrel.csproj
+++ b/src/Squirrel/Squirrel.csproj
@@ -105,10 +105,12 @@
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <PostBuildEvent>cd "$(TargetDir)"
-"$(SolutionDir)packages\ILRepack.1.26.0\tools\ILRepack.exe" /internalize /out:$(TargetFileName).tmp $(TargetFileName) Mono.Cecil.dll NuGet.Core.dll
-del "$(TargetFileName)"
-ren "$(TargetFileName).tmp" "$(TargetFileName)"</PostBuildEvent>
+    <PostBuildEvent>
+        cd "$(TargetDir)"
+        ren "$(TargetFileName)" "$(TargetFileName).tmp.dll"
+        "$(SolutionDir)packages\ILRepack.1.26.0\tools\ILRepack.exe" /internalize /out:$(TargetFileName) $(TargetFileName).tmp.dll Mono.Cecil.dll NuGet.Core.dll
+        del "$(TargetFileName).tmp.dll"
+    </PostBuildEvent>
   </PropertyGroup>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
        Other similar extension points exist, see Microsoft.Common.targets.