diff --git a/net/arpwatch/Makefile b/net/arpwatch/Makefile
index 9a7112869..fe981fef5 100644
--- a/net/arpwatch/Makefile
+++ b/net/arpwatch/Makefile
@@ -15,6 +15,9 @@ PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=ftp://ftp.free.fr/.mirrors1/ftp.gentoo.org/distfiles/
 PKG_MD5SUM:=cebfeb99c4a7c2a6cee2564770415fe7
 
+# use a subdirectory to prevent configure for finding libpcap build dir
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)/$(PKG_NAME)-$(PKG_VERSION)
+
 include $(INCLUDE_DIR)/package.mk
 
 define Package/arpwatch