diff --git a/nixos/tests/akkoma.nix b/nixos/tests/akkoma.nix
index 7115c0beed34..287e2d485999 100644
--- a/nixos/tests/akkoma.nix
+++ b/nixos/tests/akkoma.nix
@@ -33,7 +33,10 @@ let
 
     echo '${userPassword}' | ${pkgs.toot}/bin/toot login_cli -i "akkoma.nixos.test" -e "jamy@nixos.test"
     echo "y" | ${pkgs.toot}/bin/toot post "hello world Jamy here"
-    echo "y" | ${pkgs.toot}/bin/toot timeline | grep -F -q "hello world Jamy here"
+
+    # Retrieving timeline with toot currently broken due to incompatible timestamp format
+    # cf. <https://akkoma.dev/AkkomaGang/akkoma/issues/637> and <https://github.com/ihabunek/toot/issues/399>
+    #echo "y" | ${pkgs.toot}/bin/toot timeline | grep -F -q "hello world Jamy here"
 
     # Test file upload
     echo "y" | ${pkgs.toot}/bin/toot upload <(dd if=/dev/zero bs=1024 count=1024 status=none) \