--- images/fl_png.cxx
+++ images/fl_png.cxx
@@ -111,7 +111,7 @@ bool pngImage::fetch()
     png_set_sig_bytes(png_ptr, 8);
   }
 
-  if (setjmp(png_ptr->jmpbuf))
+  if (setjmp(png_jmpbuf(png_ptr)))
     goto error;
 
   png_read_info(png_ptr, info_ptr);