diff --git a/libs/freetdm/msvc/freetdm.2010.vcxproj b/libs/freetdm/msvc/freetdm.2010.vcxproj
index 71eb6dbf22..aecb9ef79c 100644
--- a/libs/freetdm/msvc/freetdm.2010.vcxproj
+++ b/libs/freetdm/msvc/freetdm.2010.vcxproj
@@ -188,6 +188,7 @@
     <ClInclude Include="..\src\include\ftdm_os.h" />
     <ClInclude Include="..\src\include\private\ftdm_sched.h" />
     <ClInclude Include="..\src\include\ftdm_threadmutex.h" />
+    <ClInclude Include="..\src\include\private\ftdm_state.h" />
     <ClInclude Include="..\src\include\private\ftdm_types.h" />
     <ClInclude Include="..\src\include\private\g711.h" />
     <ClInclude Include="..\src\include\private\hashtable.h" />
@@ -209,6 +210,7 @@
     <ClCompile Include="..\src\ftdm_io.c" />
     <ClCompile Include="..\src\ftdm_queue.c" />
     <ClCompile Include="..\src\ftdm_sched.c" />
+    <ClCompile Include="..\src\ftdm_state.c" />
     <ClCompile Include="..\src\ftdm_threadmutex.c" />
     <ClCompile Include="..\src\g711.c" />
     <ClCompile Include="..\src\hashtable.c" />
diff --git a/libs/freetdm/msvc/freetdm.2010.vcxproj.filters b/libs/freetdm/msvc/freetdm.2010.vcxproj.filters
index ed642baf3d..e6dc40d372 100644
--- a/libs/freetdm/msvc/freetdm.2010.vcxproj.filters
+++ b/libs/freetdm/msvc/freetdm.2010.vcxproj.filters
@@ -71,6 +71,9 @@
     <ClInclude Include="..\src\include\private\uart.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\include\private\ftdm_state.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\src\fsk.c">
@@ -124,5 +127,8 @@
     <ClCompile Include="..\src\uart.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\ftdm_state.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file