diff --git a/build-aux/m4/buildsys.m4 b/build-aux/m4/buildsys.m4
index 8329299..6e12488 100644
--- a/build-aux/m4/buildsys.m4
+++ b/build-aux/m4/buildsys.m4
@@ -3,7 +3,7 @@ dnl Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2016, 2017,
 dnl               2018, 2020, 2021, 2022, 2023, 2024, 2025
 dnl   Jonathan Schleifer <js@nil.im>
 dnl
-dnl https://fl.nil.im/buildsys
+dnl https://git.nil.im/js/buildsys
 dnl
 dnl Permission to use, copy, modify, and/or distribute this software for any
 dnl purpose with or without fee is hereby granted, provided that the above
diff --git a/buildsys.mk.in b/buildsys.mk.in
index 1f96601..e71f9b8 100644
--- a/buildsys.mk.in
+++ b/buildsys.mk.in
@@ -3,7 +3,7 @@
 #                2017, 2018, 2020, 2021, 2022, 2023, 2024, 2025
 #    Jonathan Schleifer <js@nil.im>
 #
-#  https://fl.nil.im/buildsys
+#  https://git.nil.im/js/buildsys
 #
 #  Permission to use, copy, modify, and/or distribute this software for any
 #  purpose with or without fee is hereby granted, provided that the above