diff --git a/pkgs/by-name/fr/freefilesync/package.nix b/pkgs/by-name/fr/freefilesync/package.nix
index 6458fc58dcdc..e6865aedf2ac 100644
--- a/pkgs/by-name/fr/freefilesync/package.nix
+++ b/pkgs/by-name/fr/freefilesync/package.nix
@@ -56,6 +56,14 @@ stdenv.mkDerivation (finalAttrs: {
       patch = "Disable_wxWidgets_uncaught_exception_handling.patch";
       hash = "sha256-Fem7eDDKSqPFU/t12Jco8OmYC8FM9JgB4/QVy/ouvbI=";
     })
+    # Fix gui freeze
+    (fetchDebianPatch {
+      pname = "freefilesync";
+      version = "13.3";
+      debianRevision = "1";
+      patch = "revert_buggy_gtk3_change_in_12.1.patch";
+      hash = "sha256-eqush3zXxypQUxtO5110GoOJ30F5LZcF8XIC/Y8/fgM=";
+    })
   ];
 
   nativeBuildInputs = [