diff --git a/net/asterisk-11.x/Makefile b/net/asterisk-11.x/Makefile
index 6e2cf57..3919731 100644
--- a/net/asterisk-11.x/Makefile
+++ b/net/asterisk-11.x/Makefile
@@ -16,12 +16,13 @@ PKG_SOURCE:=asterisk-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://downloads.asterisk.org/pub/telephony/asterisk/releases/
 PKG_MD5SUM:=3ddb42b54db200faccd68906df210a40
 
+PKG_BUILD_DIR=$(BUILD_DIR)/asterisk-$(PKG_VERSION)
+PKG_BUILD_DEPENDS:=libxml2/host
+
 PKG_LICENSE:=GPL-2.0
 PKG_LICENSE_FILES:=COPYING LICENSE
 PKG_MAINTAINER:=Jiri Slachta <slachta@cesnet.cz>
 
-PKG_BUILD_DIR=$(BUILD_DIR)/asterisk-$(PKG_VERSION)
-
 include $(INCLUDE_DIR)/package.mk
 
 define Package/asterisk11/install/module