diff --git a/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix b/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
index 4534646b6c49..95747b1923e9 100644
--- a/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
@@ -480,7 +480,7 @@
 
   djot = {
     version = "0-unstable-2025-09-15";
-    url = "github:treeman/tree-sitter-djot";
+    url = "codeberg:treeman/tree-sitter-djot";
     rev = "74fac1f53c6d52aeac104b6874e5506be6d0cfe6";
     hash = "sha256-HfEZHNhxEbH07gDzLPdl6n2Pf//o8tbJvwE+tesJDC8=";
     meta = {