diff --git a/.gitmodules b/.gitmodules
index c0c8d06..500b319 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -3,4 +3,5 @@
 	url = https://github.com/TheTermos/mobkit.git
 [submodule "mods/fl_others/i3"]
 	path = mods/fl_others/i3
-	url = https://github.com/minetest-mods/i3.git
+	url = https://github.com/mt-historical/i3
+	branch = mt_5_4_support
diff --git a/mods/fl_others/i3 b/mods/fl_others/i3
index 518ed97..486ed15 160000
--- a/mods/fl_others/i3
+++ b/mods/fl_others/i3
@@ -1 +1 @@
-Subproject commit 518ed971cac422404025d01974ca38ed7ae0a382
+Subproject commit 486ed159dca6048dcec5265d3b67a5e6aa443e15