diff --git a/include/download.mk b/include/download.mk
index c69d84939c..4b419851d0 100644
--- a/include/download.mk
+++ b/include/download.mk
@@ -27,7 +27,7 @@ define dl_method
 $(strip \
   $(if $(filter git,$(2)),$(call dl_method_git,$(1),$(2)),
     $(if $(2),$(2), \
-      $(if $(filter @OPENWRT @APACHE/% @GITHUB/% @GNOME/% @GNU/% @KERNEL/% @SF/% @SAVANNAH/% ftp://% http://% https://% file://%,$(1)),default, \
+      $(if $(filter @OPENWRT @IMMORTALWRT @APACHE/% @GITHUB/% @GNOME/% @GNU/% @KERNEL/% @SF/% @SAVANNAH/% ftp://% http://% https://% file://%,$(1)),default, \
         $(if $(filter git://%,$(1)),$(call dl_method_git,$(1),$(2)), \
           $(if $(filter svn://%,$(1)),svn, \
             $(if $(filter cvs://%,$(1)),cvs, \
diff --git a/scripts/download.pl b/scripts/download.pl
index d35cecc977..f8021cf3cc 100755
--- a/scripts/download.pl
+++ b/scripts/download.pl
@@ -196,6 +196,8 @@ foreach my $mirror (@ARGV) {
 		}
 	} elsif ($mirror =~ /^\@OPENWRT$/) {
 		# use OpenWrt source server directly
+	} elsif ($mirror =~ /^\@IMMORTALWRT$/) {
+		# use ImmortalWrt source server directly
 	} elsif ($mirror =~ /^\@APACHE\/(.+)$/) {
 		push @mirrors, "https://mirrors.tencent.com/apache/$1";
 		push @mirrors, "https://mirrors.aliyun.com/apache/$1";