--- Makefile
+++ Makefile
@@ -4,7 +4,7 @@
 PKG=noip-2.1.tgz
 
 PREFIX=/usr/local
-CONFDIR=${PREFIX}/etc
+CONFDIR=/var/tmp/flash/noip
 BINDIR=${PREFIX}/bin
 
 # these defines are for Linux
--- noip2.c
+++ noip2.c
@@ -242,8 +242,8 @@
 #ifndef PREFIX
   #define PREFIX		"/usr/local"
 #endif
-#define CONFIG_FILEPATH		PREFIX"/etc"
-#define CONFIG_FILENAME		PREFIX"/etc/no-ip2.conf"
+#define CONFIG_FILEPATH		"/var/tmp/flash/noip"
+#define CONFIG_FILENAME		CONFIG_FILEPATH"/no-ip2.conf"
 #define CONFSTRLEN		1024
 #define MAX_DEVLEN		16
 #define MAX_INSTANCE		4