diff --git a/db/dhcpd_makeconf.in b/db/dhcpd_makeconf.in
index 00c0be2d2ed7ff68c2cc7512ac30ab0c80bb10c0..ce38357e9b4ddf86f42656ef3cf0215706fb6374 100755
--- a/db/dhcpd_makeconf.in
+++ b/db/dhcpd_makeconf.in
@@ -41,7 +41,7 @@ delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};
 # Turn off line buffering on output
 $| = 1;
 
-use lib "/usr/testbed/lib";
+use lib "@prefix@/lib";
 use libdb;
 use libtestbed;
 use NodeType;