diff --git a/ANNOUNCE b/ANNOUNCE
index dc2e3ded0..0d83a5a49 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.5.5beta07 - August 26, 2011
+Libpng 1.5.5beta07 - August 29, 2011
 
 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.
@@ -79,7 +79,8 @@ Version 1.5.5beta06 [August 26, 2011]
     than correctness.)  The code still has considerable inaccuracies in the
     8-bit case because 8-bit linear arithmetic is used.
 
-Version 1.5.5beta07 [August 26, 2011]
+Version 1.5.5beta07 [August 29, 2011]
+    Added "$(ARCH)" option to makefile.darwin
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index 18358970f..75ac659d4 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,4 @@
 #if 0
-libpng_changes(){ /*
 CHANGES - changes for libpng
 
 Version 0.2
@@ -3563,7 +3562,8 @@ Version 1.5.5beta06 [August 26, 2011]
     than correctness.)  The code still has considerable inaccuracies in the
     8-bit case because 8-bit linear arithmetic is used.
 
-Version 1.5.5beta07 [August 26, 2011]
+Version 1.5.5beta07 [August 29, 2011]
+    Added "$(ARCH)" option to makefile.darwin
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
@@ -3572,5 +3572,4 @@ to subscribe)
 or to glennrp at users.sourceforge.net
 
 Glenn R-P
-*/ }
 #endif
diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin
index aaec54dcb..d6647bc5d 100644
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -37,10 +37,11 @@ MKDIR_P=mkdir -p
 LN_SF=ln -sf
 RANLIB=ranlib
 RM_F=/bin/rm -f
+ARCH=-arch i386
 
 # CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops
-CFLAGS=-I$(ZLIBINC) -W -Wall -O -funroll-loops
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng15 -lz
+CFLAGS=-I$(ZLIBINC) -W -Wall -O -funroll-loops $(ARCH)
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng15 -lz $(ARCH)
 
 INCPATH=$(prefix)/include
 LIBPATH=$(exec_prefix)/lib