diff --git a/acinclude.m4 b/acinclude.m4
index bf7b891a3..b7c14d503 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -34,12 +34,9 @@ AC_ARG_ENABLE(libcoolstream-static,
 AM_CONDITIONAL(ENABLE_LIBCOOLSTREAM_STATIC, test "$enable_libcoolstream_static" = "yes")
 
 AC_ARG_ENABLE(reschange,
-	AS_HELP_STRING([--enable-reschange], [enable change the osd resolution @<:@default for hd2 and hd51@:>@]))
-
-AM_CONDITIONAL(ENABLE_RESCHANGE,test "$enable_reschange" = "yes")
-if test "$enable_reschange" = "yes"; then
-	AC_DEFINE(ENABLE_CHANGE_OSD_RESOLUTION, 1, [enable change the osd resolution])
-fi
+	AS_HELP_STRING([--enable-reschange], [enable change the osd resolution @<:@default for hd2 and hd51@:>@]),
+	AC_DEFINE(ENABLE_CHANGE_OSD_RESOLUTION, 1, [enable change the osd resolution]))
+AM_CONDITIONAL(ENABLE_RESCHANGE, test "$enable_reschange" = "yes")
 
 AC_MSG_CHECKING(target)
 
@@ -404,9 +401,9 @@ if test "$BOXMODEL" = "hd1"; then
 	AC_DEFINE(BOXMODEL_CS_HD1, 1, [coolstream hd1/neo/neo2/zee])
 elif test "$BOXMODEL" = "hd2"; then
 	AC_DEFINE(BOXMODEL_CS_HD2, 1, [coolstream tank/trinity/trinity v2/trinity duo/zee2/link])
-	AC_DEFINE(ENABLE_CHANGE_OSD_RESOLUTION,1,[enable change the osd resolution])
+	AC_DEFINE(ENABLE_CHANGE_OSD_RESOLUTION, 1, [enable change the osd resolution])
 elif test "$BOXMODEL" = "hd51"; then
-	AC_DEFINE(ENABLE_CHANGE_OSD_RESOLUTION,1,[enable change the osd resolution])
+	AC_DEFINE(ENABLE_CHANGE_OSD_RESOLUTION, 1, [enable change the osd resolution])
 elif test "$BOXMODEL" = "raspi"; then
 	AC_DEFINE(BOXMODEL_RASPI, 1, [Raspberry pi])
 fi