diff --git a/ANNOUNCE b/ANNOUNCE
index 51b6993fe..7e6b30cb5 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -118,6 +118,8 @@ version 1.2.41beta13 [November 3, 2009]
 
 version 1.2.41beta14 [November 3, 2009]
   Added empty pngpriv.h file as an aid to migration to 1.4.x
+  Make inclusion of time.h in pngconf.h depend on PNG_CONVERT_tIME_SUPPORTED
+  Make #define PNG_CONVERT_tIME_SUPPORTED depend on PNG_tIME_SUPPORTED
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 
diff --git a/CHANGES b/CHANGES
index 00f52fa7b..a35caa9bf 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2548,6 +2548,8 @@ version 1.2.41beta13 [November 3, 2009]
 
 version 1.2.41beta14 [November 3, 2009]
   Added empty pngpriv.h file as an aid to migration to 1.4.x
+  Make inclusion of time.h in pngconf.h depend on PNG_CONVERT_tIME_SUPPORTED
+  Make #define PNG_CONVERT_tIME_SUPPORTED depend on PNG_tIME_SUPPORTED
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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diff --git a/pngconf.h b/pngconf.h
index 378285e1d..d3c986bcf 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1162,13 +1162,15 @@
 #  endif
 #endif
 
-#ifndef PNG_NO_CONVERT_tIME
-# ifndef _WIN32_WCE
-/* The "tm" structure is not supported on WindowsCE */
-#  ifndef PNG_CONVERT_tIME_SUPPORTED
-#    define PNG_CONVERT_tIME_SUPPORTED
+#ifdef PNG_tIME_SUPPORTED
+#  ifndef PNG_NO_CONVERT_tIME
+#    ifndef _WIN32_WCE
+/*   The "tm" structure is not supported on WindowsCE */
+#      ifndef PNG_CONVERT_tIME_SUPPORTED
+#        define PNG_CONVERT_tIME_SUPPORTED
+#      endif
 #   endif
-# endif
+#  endif
 #endif
 
 #endif /* PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED */
@@ -1199,12 +1201,10 @@
 #  define PNG_INFO_IMAGE_SUPPORTED
 #endif
 
-/* need the time information for reading tIME chunks */
-#ifdef PNG_tIME_SUPPORTED
-#  ifndef _WIN32_WCE
+/* Need the time information for converting tIME chunks */
+#ifdef PNG_CONVERT_tIME_SUPPORTED
      /* "time.h" functions are not supported on WindowsCE */
 #    include <time.h>
-#  endif
 #endif
 
 /* Some typedefs to get us started.  These should be safe on most of the