diff --git a/patches/ntdll-NtDevicePath/0001-ntdll-Implement-opening-files-through-nt-device-path.patch b/patches/ntdll-NtDevicePath/0001-ntdll-Implement-opening-files-through-nt-device-path.patch
index f7ec3960..961d5b00 100644
--- a/patches/ntdll-NtDevicePath/0001-ntdll-Implement-opening-files-through-nt-device-path.patch
+++ b/patches/ntdll-NtDevicePath/0001-ntdll-Implement-opening-files-through-nt-device-path.patch
@@ -90,7 +90,7 @@ index 32699fe3cc4..97b42398bb0 100644
 +    while (!NtQueryDirectoryObject( handle, info, sizeof(data), TRUE, FALSE, &ctx, NULL ))
 +    {
 +        if (read_nt_symlink( handle, &info->ObjectName, symlinkW, MAX_DIR_ENTRY_LEN )) continue;
-+        if (strlenW( symlinkW ) != length || memicmpW( symlinkW, name, length )) continue;
++        if (wcslen( symlinkW ) != length || memicmpW( symlinkW, name, length )) continue;
 +        if (info->ObjectName.Length != 2 * sizeof(WCHAR) || info->ObjectName.Buffer[1] != ':') continue;
 +
 +        *device_ret = info->ObjectName.Buffer[0];
@@ -139,7 +139,7 @@ index 32699fe3cc4..97b42398bb0 100644
 +    else
 +        return nt_to_unix_file_name_internal( nameW, unix_name_ret, disposition, check_case );
 +
-+    name_len = sizeof(dosprefixW) + strlenW(prefix) * sizeof(WCHAR) +
++    name_len = sizeof(dosprefixW) + wcslen(prefix) * sizeof(WCHAR) +
 +               nameW->Length - offset * sizeof(WCHAR) + sizeof(WCHAR);
 +    if (!(name = RtlAllocateHeap( GetProcessHeap(), 0, name_len )))
 +        return STATUS_NO_MEMORY;
@@ -147,8 +147,8 @@ index 32699fe3cc4..97b42398bb0 100644
 +    ptr = name;
 +    memcpy( ptr, dosprefixW, sizeof(dosprefixW) );
 +    ptr += sizeof(dosprefixW) / sizeof(WCHAR);
-+    strcpyW( ptr, prefix );
-+    ptr += strlenW(ptr);
++    wcscpy( ptr, prefix );
++    ptr += wcslen(ptr);
 +    memcpy( ptr, nameW->Buffer + offset, nameW->Length - offset * sizeof(WCHAR) );
 +    ptr[ nameW->Length / sizeof(WCHAR) - offset ] = 0;
 +