diff --git a/ANNOUNCE b/ANNOUNCE
index 30de78fa4..dc86cd06a 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -82,6 +82,7 @@ version 1.4.4rc02 [September 13, 2010]
 
 version 1.4.4rc03 [September 13, 2010]
   Removed an extraneous close-double-quote from CMakeLists.txt
+  Eliminated another deprecated reference to png_ptr->io_ptr in pngtest.c
 
 Send comments/corrections/commendations to glennrp at users.sourceforge.net
 or to png-mng-implement at lists.sf.net (subscription required; visit
diff --git a/CHANGES b/CHANGES
index ba20418d3..e64fbc96f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2666,6 +2666,7 @@ version 1.4.4rc02 [September 13, 2010]
 
 version 1.4.4rc03 [September 13, 2010]
   Removed an extraneous close-double-quote from CMakeLists.txt
+  Eliminated another deprecated reference to png_ptr->io_ptr in pngtest.c
 
 Send comments/corrections/commendations to glennrp at users.sourceforge.net
 or to png-mng-implement at lists.sf.net (subscription required; visit
diff --git a/pngtest.c b/pngtest.c
index eeb7df75c..7a475161b 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -351,8 +351,10 @@ static void
 pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
 {
    png_size_t check;
+   png_FILE_p io_ptr;
+   io_ptr = (png_FILE_p)CVT_PTR(png_get_io_ptr(png_ptr));
 
-   check = fwrite(data, 1, length, (png_FILE_p)png_ptr->io_ptr);
+   check = fwrite(data, 1, length, io_ptr);
    if (check != length)
    {
       png_error(png_ptr, "Write Error");
@@ -1627,4 +1629,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_4_4rc02 your_png_h_is_not_version_1_4_4rc02;
+typedef version_1_4_4rc03 your_png_h_is_not_version_1_4_4rc03;