diff --git a/org.gnome.Chess.json b/org.gnome.Chess.json
index d95c429..5741185 100644
--- a/org.gnome.Chess.json
+++ b/org.gnome.Chess.json
@@ -20,7 +20,7 @@
             "sources": [
                 {
                     "type": "archive",
-                    "url": "https://ftpmirror.gnu.org/chess/gnuchess-6.2.9.tar.gz",
+                    "url": "https://ftp.gnu.org/gnu/chess/gnuchess-6.2.9.tar.gz",
                     "sha256": "ddfcc20bdd756900a9ab6c42c7daf90a2893bf7f19ce347420ce36baebc41890"
                 }
             ]