diff --git a/ANNOUNCE b/ANNOUNCE
index c01b6b959..05595c44a 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.5.16beta01 - March 29, 2013
+Libpng 1.5.16beta01 - April 13, 2013
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -26,7 +26,9 @@ Other information:
 
 Changes since the last public release (1.5.15):
 
-Version 1.5.16beta01 [March 29, 2013]
+Version 1.5.16beta01 [April 13, 2013]
+  Corrected a misplaced closing bracket in contrib/libtests/pngvalid.c
+    (Flavio Medeiros).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index b2c2ec3d8..ca3787560 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4070,7 +4070,9 @@ Version 1.5.15rc01 [March 21, 2013]
 Version 1.5.15 [March 28, 2013]
   No changes.
 
-Version 1.5.16beta01 [March 29, 2013]
+Version 1.5.16beta01 [April 13, 2013]
+  Corrected a misplaced closing bracket in contrib/libtests/pngvalid.c
+    (Flavio Medeiros).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/contrib/libtests/pngvalid.c b/contrib/libtests/pngvalid.c
index 72a09e5b9..71545a3ff 100644
--- a/contrib/libtests/pngvalid.c
+++ b/contrib/libtests/pngvalid.c
@@ -4599,9 +4599,13 @@ progressive_row(png_structp ppIn, png_bytep new_row, png_uint_32 y, int pass)
       }
       else
          png_progressive_combine_row(pp, row, new_row);
-   } else if (dp->interlace_type == PNG_INTERLACE_ADAM7 &&
-      PNG_ROW_IN_INTERLACE_PASS(y, pass) &&
-      PNG_PASS_COLS(dp->w, pass) > 0)
+#endif /* PNG_READ_INTERLACING_SUPPORTED */
+   }
+
+#ifdef PNG_READ_INTERLACING_SUPPORTED
+   else if (dp->interlace_type == PNG_INTERLACE_ADAM7 &&
+       PNG_ROW_IN_INTERLACE_PASS(y, pass) &&
+       PNG_PASS_COLS(dp->w, pass) > 0)
       png_error(pp, "missing row in progressive de-interlacing");
 #endif /* PNG_READ_INTERLACING_SUPPORTED */
 }