diff --git a/Visual Studio Projects/VAX730.vcxproj b/Visual Studio Projects/VAX730.vcxproj
index ba15a378..2d7364b8 100755
--- a/Visual Studio Projects/VAX730.vcxproj	
+++ b/Visual Studio Projects/VAX730.vcxproj	
@@ -320,6 +320,7 @@
     <ClCompile Include="..\VAX\vax_octa.c" />
     <ClCompile Include="..\VAX\vax_sys.c" />
     <ClCompile Include="..\VAX\vax_syscm.c" />
+    <ClCompile Include="..\VAX\vax_uw.c" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\dec_dz.h" />
@@ -375,4 +376,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/Visual Studio Projects/VAX750.vcxproj b/Visual Studio Projects/VAX750.vcxproj
index 0aa48547..d8832a1b 100755
--- a/Visual Studio Projects/VAX750.vcxproj	
+++ b/Visual Studio Projects/VAX750.vcxproj	
@@ -322,6 +322,7 @@
     <ClCompile Include="..\VAX\vax_octa.c" />
     <ClCompile Include="..\VAX\vax_sys.c" />
     <ClCompile Include="..\VAX\vax_syscm.c" />
+    <ClCompile Include="..\VAX\vax_uw.c" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\dec_dz.h" />
@@ -377,4 +378,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/Visual Studio Projects/VAX780.vcxproj b/Visual Studio Projects/VAX780.vcxproj
index cfd56bde..00c432a8 100755
--- a/Visual Studio Projects/VAX780.vcxproj	
+++ b/Visual Studio Projects/VAX780.vcxproj	
@@ -324,6 +324,7 @@
     <ClCompile Include="..\VAX\vax_octa.c" />
     <ClCompile Include="..\VAX\vax_sys.c" />
     <ClCompile Include="..\VAX\vax_syscm.c" />
+    <ClCompile Include="..\VAX\vax_uw.c" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\PDP11\pdp11_cr_dat.h" />
@@ -379,4 +380,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>