diff --git a/guile-readline/LIBGUILEREADLINE-VERSION b/guile-readline/LIBGUILEREADLINE-VERSION
index 6ccf6797d..115827697 100644
--- a/guile-readline/LIBGUILEREADLINE-VERSION
+++ b/guile-readline/LIBGUILEREADLINE-VERSION
@@ -11,8 +11,8 @@
 # sure it explicitly loads the right shared lib version.  See TODO.
 LIBGUILEREADLINE_INTERFACE_CURRENT=15
 LIBGUILEREADLINE_INTERFACE_REVISION=0
-LIBGUILEREADLINE_INTERFACE_AGE=2
+LIBGUILEREADLINE_INTERFACE_AGE=3
 LIBGUILEREADLINE_INTERFACE="${LIBGUILEREADLINE_INTERFACE_CURRENT}:${LIBGUILEREADLINE_INTERFACE_REVISION}:${LIBGUILEREADLINE_INTERFACE_AGE}"
-
-# Only here for the 1.6 release -- should be removed before 1.8.  See TODO.
-LIBGUILEREADLINE_LTHACK="${LIBGUILEREADLINE_INTERFACE_CURRENT}-${LIBGUILEREADLINE_INTERFACE_REVISION}-${LIBGUILEREADLINE_INTERFACE_AGE}"
+# This must be the actual library major number -- a hack until we get
+# libltdl straightened out.
+LIBGUILEREADLINE_MAJOR=12