diff --git a/m4/check-package.m4 b/m4/check-package.m4
index 49157fa78660bfb1555fb83f15fb77706c08fc2c..7d18e8d02af977b96999439288349b6c03b4628a 100644
--- a/m4/check-package.m4
+++ b/m4/check-package.m4
@@ -48,7 +48,7 @@ else
 	DEFAULT_LIBDIR=$3
 fi
 AC_ARG_WITH($1-lib,
-AC_HELP_STRING([  --with-$1-lib=DIR],
+AC_HELP_STRING([--with-$1-lib=DIR],
                [use $1 library below directory DIR (default: $3)]),
 [case "$withval" in
     yes) AC_MSG_ERROR("option \"--with-$1-lib\" requires an argument")