diff --git a/util/configure b/util/configure
index 090830f..1f76921 100755
--- a/util/configure
+++ b/util/configure
@@ -37,7 +37,7 @@ if ($OS =~ /solaris|sunos/i) {
 } elsif ($OS eq 'MSWin32') {
     die "MS Windows not supported. Abort.\n";
 
-} elsif ($OS =~ /^(?:MacOS|rhapsody)$/) {
+} elsif ($OS =~ /^(?:MacOS|darwin|rhapsody)$/) {
     $platform = 'macosx';
 
 } elsif ($OS eq 'freebsd') {
@@ -50,6 +50,8 @@ if ($OS =~ /solaris|sunos/i) {
     $platform = 'posix';
 }
 
+warn "Platform: $platform ($OS)\n";
+
 my @modules = (
     [http_iconv => 'iconv-nginx-module', 'disabled'],
     [http_echo => 'echo-nginx-module'],
diff --git a/util/mirror-tarballs b/util/mirror-tarballs
index 3f4904b..6cf7595 100755
--- a/util/mirror-tarballs
+++ b/util/mirror-tarballs
@@ -78,7 +78,7 @@ mv chaoslawful-drizzle-nginx-module-* drizzle-nginx-module-$ver || exit 1
 
 #################################
 
-ver=0.1.6rc2
+ver=0.1.6rc3
 $root/util/get-tarball "http://github.com/chaoslawful/lua-nginx-module/tarball/v$ver" -O lua-nginx-module-$ver.tar.gz || exit 1
 tar -xzf lua-nginx-module-$ver.tar.gz || exit 1
 mv chaoslawful-lua-nginx-module-* ngx_lua-$ver || exit 1
diff --git a/util/ver b/util/ver
index 9b6bfa6..533f2a6 100755
--- a/util/ver
+++ b/util/ver
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 main_ver=0.8.54
-minor_ver=3rc2
+minor_ver=3rc4
 version=$main_ver.$minor_ver
 echo $version