diff --git a/plugins/php/versions/54/apc.sh b/plugins/php/versions/54/apc.sh
index e223005b2..d1475f843 100755
--- a/plugins/php/versions/54/apc.sh
+++ b/plugins/php/versions/54/apc.sh
@@ -36,7 +36,7 @@ Install_lib()
 
 		php_lib=$sourcePath/php_lib
 		mkdir -p $php_lib
-		if [ ! -d $php_lib/${LIBNAME}-${LIBV}];then
+		if [ ! -d $php_lib/${LIBNAME}-${LIBV} ];then
 			_LIBNAME=$(echo $LIBNAME | tr '[a-z]' '[A-Z]')
 			wget -O $php_lib/${LIBNAME}-${LIBV}.tgz http://pecl.php.net/get/${_LIBNAME}-${LIBV}.tgz
 			cd $php_lib && tar xvf ${LIBNAME}-${LIBV}.tgz
@@ -77,8 +77,8 @@ Uninstall_lib()
 		return
 	fi
 	
-	sed -i '_bak' "/${LIBNAME}.so/d" $serverPath/php/$version/etc/php.ini
-	sed -i '_bak' "/${LIBNAME}/d" $serverPath/php/$version/etc/php.ini
+	sed -i $BAK "/${LIBNAME}.so/d" $serverPath/php/$version/etc/php.ini
+	sed -i $BAK "/${LIBNAME}/d" $serverPath/php/$version/etc/php.ini
 		
 	rm -f $extFile
 	$serverPath/php/init.d/php$version reload