diff --git a/lib/cppcheck.vcxproj b/lib/cppcheck.vcxproj
index 39d036072..833b8cbf9 100644
--- a/lib/cppcheck.vcxproj
+++ b/lib/cppcheck.vcxproj
@@ -77,6 +77,7 @@
     <ClCompile Include="cppcheck.cpp" />
     <ClCompile Include="ctu.cpp" />
     <ClCompile Include="errorlogger.cpp" />
+    <ClCompile Include="exprengine.cpp" />
     <ClCompile Include="library.cpp" />
     <ClCompile Include="mathlib.cpp" />
     <ClCompile Include="path.cpp" />
diff --git a/lib/cppcheck.vcxproj.filters b/lib/cppcheck.vcxproj.filters
index c5a35a99e..ad964e02b 100644
--- a/lib/cppcheck.vcxproj.filters
+++ b/lib/cppcheck.vcxproj.filters
@@ -158,6 +158,9 @@
     <ClCompile Include="ctu.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="exprengine.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="checkbufferoverrun.h">