diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig
index 34f84bd5c2..a4d61f8254 100644
--- a/lib/std/os/windows.zig
+++ b/lib/std/os/windows.zig
@@ -304,7 +304,7 @@ pub fn CreateEventEx(attributes: ?*SECURITY_ATTRIBUTES, name: []const u8, flags:
     return CreateEventExW(attributes, nameW.span().ptr, flags, desired_access);
 }
 
-pub fn CreateEventExW(attributes: ?*SECURITY_ATTRIBUTES, nameW: [*:0]const u16, flags: DWORD, desired_access: DWORD) !HANDLE {
+pub fn CreateEventExW(attributes: ?*SECURITY_ATTRIBUTES, nameW: ?LPCWSTR, flags: DWORD, desired_access: DWORD) !HANDLE {
     const handle = kernel32.CreateEventExW(attributes, nameW, flags, desired_access);
     if (handle) |h| {
         return h;
diff --git a/lib/std/os/windows/kernel32.zig b/lib/std/os/windows/kernel32.zig
index 9477ce56c0..a5c2954878 100644
--- a/lib/std/os/windows/kernel32.zig
+++ b/lib/std/os/windows/kernel32.zig
@@ -82,7 +82,7 @@ pub extern "kernel32" fn SetEndOfFile(hFile: HANDLE) callconv(WINAPI) BOOL;
 
 pub extern "kernel32" fn CreateEventExW(
     lpEventAttributes: ?*SECURITY_ATTRIBUTES,
-    lpName: [*:0]const u16,
+    lpName: ?LPCWSTR,
     dwFlags: DWORD,
     dwDesiredAccess: DWORD,
 ) callconv(WINAPI) ?HANDLE;