diff --git a/pkgs/applications/misc/tiramisu/default.nix b/pkgs/applications/misc/tiramisu/default.nix
index 2da7c99bceee..4a123be328c9 100644
--- a/pkgs/applications/misc/tiramisu/default.nix
+++ b/pkgs/applications/misc/tiramisu/default.nix
@@ -2,13 +2,15 @@
 
 stdenv.mkDerivation rec {
   pname = "tiramisu";
+  # FIXME: once a newer release in upstream is available
   version = "2.0-unstable-2023-03-29";
 
   src = fetchFromGitHub {
     owner = "Sweets";
-    repo = pname;
+    repo = "tiramisu";
+    # FIXME: use the current HEAD commit as upstream has no releases since 2021
     rev = "5dddd83abd695bfa15640047a97a08ff0a8d9f9b";
-    sha256 = "sha256-owYk/YFwJbqO6/dbGKPE8SnmmH4KvH+o6uWptqQtpfI=";
+    hash = "sha256-owYk/YFwJbqO6/dbGKPE8SnmmH4KvH+o6uWptqQtpfI=";
   };
 
   buildInputs = [ glib ];