diff --git a/m4/mpd_auto.m4 b/m4/mpd_auto.m4
index 7d9b5016d..a35c9cf1b 100644
--- a/m4/mpd_auto.m4
+++ b/m4/mpd_auto.m4
@@ -17,7 +17,7 @@ AC_DEFUN([MPD_AUTO_DISABLED], [
 		AC_MSG_WARN([$msg -- disabling $feature])
 		eval "$var=no"
 	elif eval "test x`echo '$'$var` = xyes"; then
-		AC_MSG_ERROR([$msg])
+		AC_MSG_ERROR([$feature: $msg])
 	fi
 ])