diff --git a/src/tools/msvc/Mkvcbuild.pm b/src/tools/msvc/Mkvcbuild.pm
index 26ed62b0abf..3d71c881cfb 100644
--- a/src/tools/msvc/Mkvcbuild.pm
+++ b/src/tools/msvc/Mkvcbuild.pm
@@ -299,6 +299,7 @@ sub mkvcbuild
     # src/bin
     my $initdb = AddSimpleFrontend('initdb');
     $initdb->AddIncludeDir('src\interfaces\libpq');
+    $initdb->AddIncludeDir('src\timezone');
     $initdb->AddDefine('FRONTEND');
     $initdb->AddLibrary('wsock32.lib');
     $initdb->AddLibrary('ws2_32.lib');