diff --git a/tests/unit/test.vcxproj b/tests/unit/test.vcxproj
index af742c55a3..4549c2c299 100644
--- a/tests/unit/test.vcxproj
+++ b/tests/unit/test.vcxproj
@@ -131,6 +131,9 @@
       <AdditionalDependencies>mincore.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>$(OutDir);$(VC_LibraryPath_VC_x64_Desktop);%(Link.AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
+    <PostBuildEvent>
+      <Command>xcopy $(SolutionDir)$(Platform)\Debug\usersim.dll $(OutDir) /F /Y</Command>
+    </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='FuzzerDebug|x64'">
     <ClCompile>
@@ -174,6 +177,9 @@
       <AdditionalDependencies>mincore.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>$(OutDir);$(VC_LibraryPath_VC_x64_Desktop);%(Link.AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
+    <PostBuildEvent>
+      <Command>xcopy $(SolutionDir)$(Platform)\Release\usersim.dll $(OutDir) /F /Y</Command>
+    </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\external\Catch2\build\src\Catch2WithMain.vcxproj">