diff --git a/test/testrunner.vcxproj b/test/testrunner.vcxproj
index c38aa54fc..a87a17e47 100644
--- a/test/testrunner.vcxproj
+++ b/test/testrunner.vcxproj
@@ -69,6 +69,7 @@
     <ClCompile Include="testsuppressions.cpp" />
     <ClCompile Include="testsymboldatabase.cpp" />
     <ClCompile Include="testthreadexecutor.cpp" />
+    <ClCompile Include="testtimer.cpp" />
     <ClCompile Include="testtoken.cpp" />
     <ClCompile Include="testtokenize.cpp" />
     <ClCompile Include="testuninitvar.cpp" />
diff --git a/test/testrunner.vcxproj.filters b/test/testrunner.vcxproj.filters
index 2280a867a..a35fbb16e 100644
--- a/test/testrunner.vcxproj.filters
+++ b/test/testrunner.vcxproj.filters
@@ -172,6 +172,9 @@
     <ClCompile Include="testleakautovar.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="testtimer.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="options.h">