diff --git a/lib/com_err/Makefile.am b/lib/com_err/Makefile.am
index 2c987f963..7f410ca7f 100644
--- a/lib/com_err/Makefile.am
+++ b/lib/com_err/Makefile.am
@@ -18,4 +18,4 @@ CLEANFILES = lex.c parse.c parse.h
 
 $(compile_et_OBJECTS): parse.h
 
-compile_et_LDADD = -L../roken -lroken
+compile_et_LDADD = -L../roken -lroken @LEXLIB@
diff --git a/lib/sl/Makefile.am b/lib/sl/Makefile.am
index bb1e22951..ec9a0d30a 100644
--- a/lib/sl/Makefile.am
+++ b/lib/sl/Makefile.am
@@ -19,4 +19,4 @@ mk_cmds_SOURCES = make_cmds.c parse.y lex.l
 
 $(mk_cmds_OBJECTS): parse.h
 
-LDADD = -L../roken -lroken
+LDADD = -L../roken -lroken @LEXLIB@