diff --git a/src/functions.cpp b/src/functions.cpp
index 1aa1385de3..48352da486 100644
--- a/src/functions.cpp
+++ b/src/functions.cpp
@@ -24,6 +24,10 @@
 #include <random>
 #include <set>
 
+#if defined(_MSC_VER) && _MSC_VER < 1900
+#include "inttypes.h"
+#endif
+
 #ifdef __MINGW32__
 #include "windows.h"
 #include "wincrypt.h"
diff --git a/win/libsass.targets b/win/libsass.targets
index a54fe9bfea..91115bf0f5 100644
--- a/win/libsass.targets
+++ b/win/libsass.targets
@@ -36,7 +36,10 @@
     <ClInclude Include="$(LIBSASS_HEADERS_DIR)\position.hpp" />
     <ClInclude Include="$(LIBSASS_HEADERS_DIR)\prelexer.hpp" />
     <ClInclude Include="$(LIBSASS_HEADERS_DIR)\remove_placeholders.hpp" />
+    <ClInclude Include="$(LIBSASS_HEADERS_DIR)\sass_context.hpp" />
+    <ClInclude Include="$(LIBSASS_HEADERS_DIR)\sass_functions.hpp" />
     <ClInclude Include="$(LIBSASS_HEADERS_DIR)\sass_util.hpp" />
+    <ClInclude Include="$(LIBSASS_HEADERS_DIR)\sass_values.hpp" />
     <ClInclude Include="$(LIBSASS_HEADERS_DIR)\source_map.hpp" />
     <ClInclude Include="$(LIBSASS_HEADERS_DIR)\subset_map.hpp" />
     <ClInclude Include="$(LIBSASS_HEADERS_DIR)\to_c.hpp" />
diff --git a/win/libsass.vcxproj.filters b/win/libsass.vcxproj.filters
index 83c99a9d7a..a6759842fe 100644
--- a/win/libsass.vcxproj.filters
+++ b/win/libsass.vcxproj.filters
@@ -126,9 +126,18 @@
     <ClInclude Include="$(LIBSASS_HEADERS_DIR)\remove_placeholders.hpp">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="$(LIBSASS_HEADERS_DIR)\sass_context.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="$(LIBSASS_HEADERS_DIR)\sass_functions.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
     <ClInclude Include="$(LIBSASS_HEADERS_DIR)\sass_util.hpp">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="$(LIBSASS_HEADERS_DIR)\sass_values.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
     <ClInclude Include="$(LIBSASS_HEADERS_DIR)\source_map.hpp">
       <Filter>Header Files</Filter>
     </ClInclude>