--- a/m4/lftp.m4
+++ b/m4/lftp.m4
@@ -319,7 +319,6 @@
        libidn=$withval, libidn=yes)
      if test "$libidn" != "no"; then
        if test "$libidn" != "yes"; then
-         LDFLAGS="${LDFLAGS} -L$libidn/lib"
          CPPFLAGS="${CPPFLAGS} -I$libidn/include"
        fi
        AC_CHECK_HEADER(idna.h,
