diff --git a/build.json b/build.json
index dbc8276eb7a..b90b1ca92e5 100644
--- a/build.json
+++ b/build.json
@@ -217,6 +217,7 @@
       "headers": [
         "src/core/support/cpu.h",
         "src/core/support/murmur_hash.h",
+        "src/core/support/string.h",
         "src/core/support/thd_internal.h"
       ],
       "src": [
diff --git a/vsprojects/vs2013/gpr.vcxproj b/vsprojects/vs2013/gpr.vcxproj
index 7f05148b88c..f71b586aff4 100644
--- a/vsprojects/vs2013/gpr.vcxproj
+++ b/vsprojects/vs2013/gpr.vcxproj
@@ -101,6 +101,7 @@
   <ItemGroup>
     <ClInclude Include="..\..\src\core\support\cpu.h" />
     <ClInclude Include="..\..\src\core\support\murmur_hash.h" />
+    <ClInclude Include="..\..\src\core\support\string.h" />
     <ClInclude Include="..\..\src\core\support\thd_internal.h" />
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vs2013/gpr.vcxproj.filters b/vsprojects/vs2013/gpr.vcxproj.filters
index 38b430f6516..013ed4b3c99 100644
--- a/vsprojects/vs2013/gpr.vcxproj.filters
+++ b/vsprojects/vs2013/gpr.vcxproj.filters
@@ -161,6 +161,9 @@
     <ClInclude Include="..\..\src\core\support\murmur_hash.h">
       <Filter>src\core\support</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\core\support\string.h">
+      <Filter>src\core\support</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\src\core\support\thd_internal.h">
       <Filter>src\core\support</Filter>
     </ClInclude>