diff --git a/ext/phar/config.m4 b/ext/phar/config.m4
index d3e4d5a54fd..4d44e9d802d 100644
--- a/ext/phar/config.m4
+++ b/ext/phar/config.m4
@@ -2,7 +2,7 @@ dnl $Id$
 dnl config.m4 for extension phar
 
 PHP_ARG_ENABLE(phar, for phar archive support,
-[  --enable-phar           Enable phar support])
+[  --disable-phar           Disable phar support], shared)
 
 if test "$PHP_PHAR" != "no"; then
   PHP_NEW_EXTENSION(phar, util.c tar.c zip.c stream.c func_interceptors.c dirstream.c phar.c phar_object.c phar_path_check.c, $ext_shared)
diff --git a/ext/phar/config.w32 b/ext/phar/config.w32
index 35127a7b139..211443c452e 100644
--- a/ext/phar/config.w32
+++ b/ext/phar/config.w32
@@ -1,7 +1,7 @@
 // $Id$
 // vim:ft=javascript
 
-ARG_ENABLE("phar", "enable phar support", "no");
+ARG_ENABLE("phar", "disable phar support", "shared");
 
 if (PHP_PHAR != "no") {
 	EXTENSION("phar", "dirstream.c func_interceptors.c phar.c phar_object.c phar_path_check.c stream.c tar.c util.c zip.c");