diff --git a/png.c b/png.c
index 00e7b7266..60d8f1392 100644
--- a/png.c
+++ b/png.c
@@ -14,7 +14,7 @@
 #include "pngpriv.h"
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef png_libpng_version_1_5_15beta05 Your_png_h_is_not_version_1_5_15beta05;
+typedef png_libpng_version_1_5_15beta02 Your_png_h_is_not_version_1_5_15beta02;
 
 /* Tells libpng that we have already handled the first "num_bytes" bytes
  * of the PNG file signature.  If the PNG data is embedded into another
@@ -658,13 +658,13 @@ png_get_copyright(png_const_structp png_ptr)
 #else
 #  ifdef __STDC__
    return PNG_STRING_NEWLINE \
-     "libpng version 1.5.15beta05 - February 17, 2013" PNG_STRING_NEWLINE \
+     "libpng version 1.5.15beta02 - February 5, 2013" PNG_STRING_NEWLINE \
      "Copyright (c) 1998-2013 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
      "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
      "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
      PNG_STRING_NEWLINE;
 #  else
-      return "libpng version 1.5.15beta05 - February 17, 2013\
+      return "libpng version 1.5.15beta02 - February 5, 2013\
       Copyright (c) 1998-2013 Glenn Randers-Pehrson\
       Copyright (c) 1996-1997 Andreas Dilger\
       Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
@@ -1907,7 +1907,7 @@ png_fixed(png_structp png_ptr, double fp, png_const_charp text)
 #endif
 
 #if defined(PNG_READ_GAMMA_SUPPORTED) || \
-    defined(PNG_INCH_CONVERSIONS_SUPPORTED) || defined(PNG_READ_pHYs_SUPPORTED)
+    defined(PNG_INCH_CONVERSIONS_SUPPORTED) || defined(PNG__READ_pHYs_SUPPORTED)
 /* muldiv functions */
 /* This API takes signed arguments and rounds the result to the nearest
  * integer (or, for a fixed point number - the standard argument - to
diff --git a/pngconf.h b/pngconf.h
index 0579209d9..3022bced2 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.5.15beta05 - February 15, 2013
+ * libpng version 1.5.15beta02 - February 5, 2013
  *
  * Copyright (c) 1998-2013 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngtest.c b/pngtest.c
index d93249c65..a2051353d 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -1948,4 +1948,4 @@ main(void)
 #endif
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef png_libpng_version_1_5_15beta05 Your_png_h_is_not_version_1_5_15beta05;
+typedef png_libpng_version_1_5_15beta02 Your_png_h_is_not_version_1_5_15beta02;