--- a/modules/postgresql/link.sh.in
+++ b/modules/postgresql/link.sh.in
@@ -4,5 +4,5 @@ ${MAKE-make} clisp-module \
 NEW_MODULES='postgresql'
 NEW_FILES=''
 for f in ${NEW_MODULES}; do NEW_FILES=${NEW_FILES}" ${f}.o"; done
-NEW_LIBS="${NEW_FILES} @LIBS@"
+NEW_LIBS="${NEW_FILES} @LIBS@ -lcrypt -lssl"
 TO_LOAD='postgresql sql'