diff --git a/acinclude.m4 b/acinclude.m4
index 3f6a2e8b4ede132ba83eeb14d8d2f4f353bd6ea0..469eef36747db4568b09e908c02b3bd66ea9cf1a 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -382,17 +382,17 @@ AC_DEFUN([CURL_CHECK_FUNC_GETNAMEINFO], [
       case "$gni_qual_type_arg1" in
         const*)
           gni_qual_arg1=const
-          gni_type_arg1=`echo $gni_qual_type_arg1 | sed 's/^const //'`
+          gni_type_arg1=`echo $gni_qual_type_arg1 | sed 's/^const //' | sed 's/\*/\*/g'`
         ;;
         *)
           gni_qual_arg1=
-          gni_type_arg1=$gni_qual_type_arg1
+          gni_type_arg1=`echo $gni_qual_type_arg1 | sed 's/\*/\*/g'`
         ;;
       esac
       #
-      AC_DEFINE_UNQUOTED(GETNAMEINFO_QUAL_ARG1, "$gni_qual_arg1",
+      AC_DEFINE_UNQUOTED(GETNAMEINFO_QUAL_ARG1, $gni_qual_arg1,
         [Define to the type qualifier of arg 1 for getnameinfo.])
-      AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG1, "$gni_type_arg1",
+      AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG1, $gni_type_arg1,
         [Define to the type of arg 1 for getnameinfo.])
       #
       AC_DEFINE_UNQUOTED(HAVE_GETNAMEINFO, 1,