diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index c9e738a..fe6f771 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -317,9 +317,9 @@ def link_command(ldflags, opt="", libpath=$DEFLIBPATH|$LIBPATH)
                               'CFLAGS' => "#$CFLAGS",
                               'ARCH_FLAG' => "#$ARCH_FLAG",
                               'LDFLAGS' => "#$LDFLAGS #{ldflags}",
-                              'LIBPATH' => libpathflag(libpath),
                               'LOCAL_LIBS' => "#$LOCAL_LIBS #$libs",
                               'LIBS' => "#$LIBRUBYARG_STATIC #{opt} #$LIBS")
+  conf['LIBPATH'] = libpath.map {|s| LIBPATHFLAG % RbConfig::expand(s.dup, conf).quote}.join("")
   Config::expand(TRY_LINK.dup, conf)
 end