diff --git a/src/tools/msvc/Install.pm b/src/tools/msvc/Install.pm
index d3830312e4..78a6cf2adf 100644
--- a/src/tools/msvc/Install.pm
+++ b/src/tools/msvc/Install.pm
@@ -397,7 +397,7 @@ sub CopyIncludeFiles
     my $target = shift;
 
     EnsureDirectories($target, 'include', 'include/libpq','include/internal',
-        'include/internal/libpq','include/server');
+        'include/internal/libpq','include/server', 'include/server/parser');
 
     CopyFiles(
         'Public headers',