diff --git a/lib/std/start_windows_tls.zig b/lib/std/os/windows/tls.zig
similarity index 100%
rename from lib/std/start_windows_tls.zig
rename to lib/std/os/windows/tls.zig
diff --git a/lib/std/start.zig b/lib/std/start.zig
index fd8661660b..edbe4e9bca 100644
--- a/lib/std/start.zig
+++ b/lib/std/start.zig
@@ -176,7 +176,7 @@ fn _DllMainCRTStartup(
     lpReserved: std.os.windows.LPVOID,
 ) callconv(std.os.windows.WINAPI) std.os.windows.BOOL {
     if (!builtin.single_threaded and !builtin.link_libc) {
-        _ = @import("start_windows_tls.zig");
+        _ = @import("os/windows/tls.zig");
     }
 
     if (@hasDecl(root, "DllMain")) {
@@ -427,7 +427,7 @@ fn _start() callconv(.Naked) noreturn {
 fn WinStartup() callconv(std.os.windows.WINAPI) noreturn {
     @setAlignStack(16);
     if (!builtin.single_threaded and !builtin.link_libc) {
-        _ = @import("start_windows_tls.zig");
+        _ = @import("os/windows/tls.zig");
     }
 
     std.debug.maybeEnableSegfaultHandler();
@@ -438,7 +438,7 @@ fn WinStartup() callconv(std.os.windows.WINAPI) noreturn {
 fn wWinMainCRTStartup() callconv(std.os.windows.WINAPI) noreturn {
     @setAlignStack(16);
     if (!builtin.single_threaded and !builtin.link_libc) {
-        _ = @import("start_windows_tls.zig");
+        _ = @import("os/windows/tls.zig");
     }
 
     std.debug.maybeEnableSegfaultHandler();