diff --git a/build/kvazaar_lib/kvazaar_lib.vcxproj b/build/kvazaar_lib/kvazaar_lib.vcxproj
index d9fb414f..404fd6e7 100644
--- a/build/kvazaar_lib/kvazaar_lib.vcxproj
+++ b/build/kvazaar_lib/kvazaar_lib.vcxproj
@@ -155,6 +155,7 @@
     <ClCompile Include="..\..\src\encoder_state-geometry.c" />
     <ClCompile Include="..\..\src\encode_coding_tree.c" />
     <ClCompile Include="..\..\src\extras\getopt.c" />
+    <ClCompile Include="..\..\src\fast_coeff_cost.c" />
     <ClCompile Include="..\..\src\filter.c" />
     <ClCompile Include="..\..\src\image.c" />
     <ClCompile Include="..\..\src\imagelist.c" />
@@ -290,6 +291,7 @@
     <ClInclude Include="..\..\src\encoder.h" />
     <ClInclude Include="..\..\src\encoderstate.h" />
     <ClInclude Include="..\..\src\extras\getopt.h" />
+    <ClInclude Include="..\..\src\fast_coeff_cost.h" />
     <ClInclude Include="..\..\src\filter.h" />
     <ClInclude Include="..\..\src\global.h" />
     <ClInclude Include="..\..\src\inter.h" />
@@ -342,4 +344,4 @@
   <ImportGroup Label="ExtensionTargets">
     <Import Project="..\yasm\vsyasm.targets" />
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/build/kvazaar_lib/kvazaar_lib.vcxproj.filters b/build/kvazaar_lib/kvazaar_lib.vcxproj.filters
index 3087f3a1..8174ee63 100644
--- a/build/kvazaar_lib/kvazaar_lib.vcxproj.filters
+++ b/build/kvazaar_lib/kvazaar_lib.vcxproj.filters
@@ -174,6 +174,9 @@
     <ClCompile Include="..\..\src\rdo.c">
       <Filter>Compression</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\fast_coeff_cost.c">
+      <Filter>Compression</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\src\inter.c">
       <Filter>Reconstruction</Filter>
     </ClCompile>
@@ -348,6 +351,9 @@
     <ClInclude Include="..\..\src\rdo.h">
       <Filter>Compression</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\fast_coeff_cost.h">
+      <Filter>Compression</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\src\strategies\strategies-common.h">
       <Filter>Optimization\strategies</Filter>
     </ClInclude>
@@ -483,4 +489,4 @@
       <Filter>Optimization\strategies\x86_asm</Filter>
     </YASM>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>