diff --git a/makeopts.in b/makeopts.in
index 5db884698..792afc6de 100644
--- a/makeopts.in
+++ b/makeopts.in
@@ -173,6 +173,9 @@ SUPPSERV_LIB=@SUPPSERV_LIB@
 CAP_LIB=@CAP_LIB@
 CAP_INCLUDE=@CAP_INCLUDE@
 
+BKTR_INCLUDE=@BKTR_INCLUDE@
+BKTR_LIB=@BKTR_LIB@
+
 TERMCAP_INCLUDE=@TERMCAP_INCLUDE@
 TERMCAP_LIB=@TERMCAP_LIB@
 TERMCAP_DIR=@TERMCAP_DIR@