diff --git a/ANNOUNCE b/ANNOUNCE
index 42753cd25..57d1d8d98 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.7.0beta35 - March 22, 2014
+Libpng 1.7.0beta35 - April 6, 2014
 
 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.
@@ -572,7 +572,7 @@ Version 1.7.0beta34 [March 17, 2014]
   Changed ZlibSrcDir from 1.2.5 to 1.2.8 in projects/vstudio.
   Moved configuration information from the manual to the INSTALL file.
 
-Version 1.7.0beta35 [March 22, 2014]
+Version 1.7.0beta35 [April 6, 2014]
   Removed #if/#else/#endif from inside two pow() calls in pngvalid.c because
     they were handled improperly by Portland Group's PGI-14.1 - PGI-14.3
     when using its "__builtin_pow()" function.
@@ -583,6 +583,8 @@ Version 1.7.0beta35 [March 22, 2014]
   Allow an easy replacement of the default pre-built configuration
     header with a custom header, via the make PNGLIBCONF_H_PREBUILT
     macro.
+  Fixed a typo in pngrutil.c, introduced in libpng-1.5.6, that interferes
+    with "blocky" expansion of sub-8-bit interlaced PNG files (Eric Huss).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index f3e66a388..f512ada5e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4861,7 +4861,7 @@ Version 1.7.0beta34 [March 17, 2014]
   Changed ZlibSrcDir from 1.2.5 to 1.2.8 in projects/vstudio.
   Moved configuration information from the manual to the INSTALL file.
 
-Version 1.7.0beta35 [March 22, 2014]
+Version 1.7.0beta35 [April 6, 2014]
   Removed #if/#else/#endif from inside two pow() calls in pngvalid.c because
     they were handled improperly by Portland Group's PGI-14.1 - PGI-14.3
     when using its "__builtin_pow()" function.
@@ -4872,6 +4872,8 @@ Version 1.7.0beta35 [March 22, 2014]
   Allow an easy replacement of the default pre-built configuration
     header with a custom header, via the make PNGLIBCONF_H_PREBUILT
     macro.
+  Fixed a typo in pngrutil.c, introduced in libpng-1.5.6, that interferes
+    with "blocky" expansion of sub-8-bit interlaced PNG files (Eric Huss).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/pngrutil.c b/pngrutil.c
index bbec6fbfa..2a9fc896b 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -3126,7 +3126,7 @@ png_combine_row(png_const_structrp png_ptr, png_bytep dp, int display)
 #        define S_MASKS(d,s) { S_MASK(0,d,s), S_MASK(1,d,s), S_MASK(2,d,s),\
             S_MASK(3,d,s), S_MASK(4,d,s), S_MASK(5,d,s) }
 
-#        define B_MASKS(d,s) { B_MASK(1,d,s), S_MASK(3,d,s), S_MASK(5,d,s) }
+#        define B_MASKS(d,s) { B_MASK(1,d,s), B_MASK(3,d,s), B_MASK(5,d,s) }
 
 #        define DEPTH_INDEX(d) ((d)==1?0:((d)==2?1:2))