diff --git a/rt-nogravity-src/rlx32/src/gx_png.c b/rt-nogravity-src/rlx32/src/gx_png.c

index 8707974..e17d3e8 100644

--- a/rt-nogravity-src/rlx32/src/gx_png.c

+++ b/rt-nogravity-src/rlx32/src/gx_png.c

@@ -50,7 +50,7 @@ pngx_readm_pData(png_structp png_ptr, png_bytep data, png_size_t length)

 	* instead of an int, which is what fread() actually returns.

 	*/

 	check = (png_size_t)FIO_cur->fread(data, (png_size_t)1, length,

-	  (SYS_FILEHANDLE)png_ptr->io_ptr);

+	  (SYS_FILEHANDLE)png_get_io_ptr(png_ptr));

 	if (check != length)

 	{

@@ -77,7 +77,7 @@ static void pngx_error(png_structp png_ptr, png_const_charp message)

 #ifdef _DEBUG

 	SYS_Msg("!%s", message);

 #endif

-	longjmp(png_ptr->jmpbuf, 1);

+	longjmp(png_jmpbuf(png_ptr), 1);

 }

 static void pngx_warning(png_structp png_ptr, png_const_charp message)

@@ -121,7 +121,7 @@ if (!pClut)

 	info_ptr = png_create_info_struct(png_ptr);

 	png_read_info(png_ptr, info_ptr);  /* read all PNG info up to image data */

-	if (setjmp(png_ptr->jmpbuf))

+	if (setjmp(png_jmpbuf(png_ptr)))

 	{

 		png_destroy_read_struct(&png_ptr, &info_ptr, NULL);

 		return NULL;