| diff --git a/third_party/libtiff/tif_codec.c b/third_party/libtiff/tif_codec.c | 
 | index b6c04f01d..f909b20c1 100644 | 
 | --- a/third_party/libtiff/tif_codec.c | 
 | +++ b/third_party/libtiff/tif_codec.c | 
 | @@ -80,7 +80,7 @@ static int NotConfigured(TIFF*, int); | 
 |  /* | 
 |   * Compression schemes statically built into the library. | 
 |   */ | 
 | -#ifdef VMS | 
 | +#ifndef VMS | 
 |  const TIFFCodec _TIFFBuiltinCODECS[] = { | 
 |  #else | 
 |  TIFFCodec _TIFFBuiltinCODECS[] = { | 
 | diff --git a/third_party/libtiff/tiffiop.h b/third_party/libtiff/tiffiop.h | 
 | index ba7b2659a..b345996ab 100644 | 
 | --- a/third_party/libtiff/tiffiop.h | 
 | +++ b/third_party/libtiff/tiffiop.h | 
 | @@ -452,7 +452,7 @@ extern int TIFFInitZSTD(TIFF*, int); | 
 |  #ifdef WEBP_SUPPORT | 
 |  extern int TIFFInitWebP(TIFF*, int); | 
 |  #endif | 
 | -#ifdef VMS | 
 | +#ifndef VMS | 
 |  extern const TIFFCodec _TIFFBuiltinCODECS[]; | 
 |  #else | 
 |  extern TIFFCodec _TIFFBuiltinCODECS[]; |