--- a/src/tools/Makefile.am
+++ b/src/tools/Makefile.am
@@ -4,5 +4,5 @@
 
 bin_PROGRAMS = adtool
 
-adtool_LDADD = @top_srcdir@/src/lib/libactive_directory.a -lldap -llber -lldap_r -lpthread -lresolv 
+adtool_LDADD = @top_builddir@/src/lib/libactive_directory.a -lldap -llber -lldap_r -lpthread -lresolv