diff --git a/visualc/vngspice.vcxproj b/visualc/vngspice.vcxproj
index d65bba7b1..3a5b21a8d 100644
--- a/visualc/vngspice.vcxproj
+++ b/visualc/vngspice.vcxproj
@@ -1344,11 +1344,6 @@
     <ClInclude Include="resource.h" />
   </ItemGroup>
   <ItemGroup>
-    <CustomBuild Include="..\src\frontend\parse-bison.y;..\src\spicelib\parser\inpptree-parser.y">
-      <Message>invoke win_bison.exe for %(Identity)</Message>
-      <Command>..\..\flex-bison\win_bison.exe --output=.\tmp-bison\%(Filename).c --defines=.\tmp-bison\%(Filename).h %(Identity) || exit 1</Command>
-      <Outputs>.\tmp-bison\%(Filename).c;.\tmp-bison\%(Filename).h</Outputs>
-    </CustomBuild>
     <None Include="..\src\xspice\icm\objects.inc" />
   </ItemGroup>
   <ItemGroup>
@@ -2726,6 +2721,18 @@
   <ItemGroup>
     <ResourceCompile Include="vngspice.rc" />
   </ItemGroup>
+  <ItemGroup>
+    <CustomBuild Include="..\src\frontend\parse-bison.y">
+      <Message>invoke win_bison.exe for %(Identity)</Message>
+      <Command>..\..\flex-bison\win_bison.exe --output=.\tmp-bison\%(Filename).c --defines=.\tmp-bison\%(Filename).h %(Identity) || exit 1</Command>
+      <Outputs>.\tmp-bison\%(Filename).c;.\tmp-bison\%(Filename).h</Outputs>
+    </CustomBuild>
+    <CustomBuild Include="..\src\spicelib\parser\inpptree-parser.y">
+      <Message>invoke win_bison.exe for %(Identity)</Message>
+      <Command>..\..\flex-bison\win_bison.exe --output=.\tmp-bison\%(Filename).c --defines=.\tmp-bison\%(Filename).h %(Identity) || exit 1</Command>
+      <Outputs>.\tmp-bison\%(Filename).c;.\tmp-bison\%(Filename).h</Outputs>
+    </CustomBuild>
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
diff --git a/visualc/xspice/cmpp/cmpp.vcxproj b/visualc/xspice/cmpp/cmpp.vcxproj
index 45cecc0ec..b48535c12 100644
--- a/visualc/xspice/cmpp/cmpp.vcxproj
+++ b/visualc/xspice/cmpp/cmpp.vcxproj
@@ -155,16 +155,26 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <CustomBuild Include="..\..\..\src\xspice\cmpp\ifs_yacc.y;..\..\..\src\xspice\cmpp\mod_yacc.y">
+    <CustomBuild Include="..\..\..\src\xspice\cmpp\ifs_lex.l">
+      <Message>invoke win_flex.exe for %(Identity)</Message>
+      <Command>..\..\..\..\flex-bison\win_flex.exe --outfile=.\tmp-bison\%(Filename).c --header-file=.\tmp-bison\%(Filename).h %(Identity) || exit 1</Command>
+      <Outputs>.\tmp-bison\%(Filename).c;.\tmp-bison\%(Filename).h</Outputs>
+    </CustomBuild>
+    <CustomBuild Include="..\..\..\src\xspice\cmpp\ifs_yacc.y">
       <Message>invoke win_bison.exe for %(Identity)</Message>
       <Command>..\..\..\..\flex-bison\win_bison.exe --output=.\tmp-bison\%(Filename).c --defines=.\tmp-bison\%(Filename).h %(Identity) || exit 1</Command>
       <Outputs>.\tmp-bison\%(Filename).c;.\tmp-bison\%(Filename).h</Outputs>
     </CustomBuild>
-    <CustomBuild Include="..\..\..\src\xspice\cmpp\ifs_lex.l;..\..\..\src\xspice\cmpp\mod_lex.l">
+    <CustomBuild Include="..\..\..\src\xspice\cmpp\mod_lex.l">
       <Message>invoke win_flex.exe for %(Identity)</Message>
       <Command>..\..\..\..\flex-bison\win_flex.exe --outfile=.\tmp-bison\%(Filename).c --header-file=.\tmp-bison\%(Filename).h %(Identity) || exit 1</Command>
       <Outputs>.\tmp-bison\%(Filename).c;.\tmp-bison\%(Filename).h</Outputs>
     </CustomBuild>
+    <CustomBuild Include="..\..\..\src\xspice\cmpp\mod_yacc.y">
+      <Message>invoke win_bison.exe for %(Identity)</Message>
+      <Command>..\..\..\..\flex-bison\win_bison.exe --output=.\tmp-bison\%(Filename).c --defines=.\tmp-bison\%(Filename).h %(Identity) || exit 1</Command>
+      <Outputs>.\tmp-bison\%(Filename).c;.\tmp-bison\%(Filename).h</Outputs>
+    </CustomBuild>
     <None Include="..\src\xspice\icm\objects.inc" />
   </ItemGroup>
   <ItemGroup>