diff --git a/lib/php/Makefile.am b/lib/php/Makefile.am
index 8e5e094..927de98 100755
--- a/lib/php/Makefile.am
+++ b/lib/php/Makefile.am
@@ -111,14 +111,17 @@
   lib/Thrift/Type/TType.php
 
 EXTRA_DIST = \
-	lib \
+  lib \
   src/autoload.php \
   src/ext/thrift_protocol/config.w32 \
-  src/ext/thrift_protocol/php_thrift_protocol.cpp \ 
+  src/ext/thrift_protocol/php_thrift_protocol.cpp \
   src/ext/thrift_protocol/php_thrift_protocol.h \
   src/Thrift.php \
   src/TStringUtils.php \
-	thrift_protocol.ini \
-	README.apache
+  thrift_protocol.ini \
+  README.apache
 
-MAINTAINERCLEANFILES = Makefile Makefile.in
+MAINTAINERCLEANFILES = \
+  Makefile \
+  Makefile.in
+