diff --git a/Mk/bsd.ocaml.mk b/Mk/bsd.ocaml.mk
index 1dc29209e785..25402080e0e9 100644
--- a/Mk/bsd.ocaml.mk
+++ b/Mk/bsd.ocaml.mk
@@ -172,9 +172,11 @@ _USES_install+=    740:ocaml-ldconfig
 .    if !target(ocaml-ldconfig)
 ocaml-ldconfig:
 .      for LIB in ${OCAML_LDLIBS}
-       @${ECHO_CMD} "@postexec ${ECHO_CMD} "%D/${LIB}" >> %D/${OCAML_LDCONF}" \
+       @${ECHO_CMD} "@postexec ${GREP} -q '^%D/${LIB}$$' %D/${OCAML_LDCONF}" \
+               "|| ${ECHO_CMD} "%D/${LIB}" >> %D/${OCAML_LDCONF}" \
                >> ${TMPPLIST}
-       @${ECHO_CMD} "@postunexec ${SED} -i \"\" -e '/${LIB:S#/#\/#g}/d' %D/${OCAML_LDCONF}"  >> ${TMPPLIST}
+       @${ECHO_CMD} "@postunexec _p=\"\`${ECHO_CMD} '%D/${LIB}' | ${SED} 's,/,\\\\\\\\/,g'\`\";" \
+               "${SED} -i \"\" -e \"/^\$${_p}\\$$/d\" %D/${OCAML_LDCONF}"  >> ${TMPPLIST}
 .      endfor
 .    endif
 .  endif