diff --git a/pkgs/applications/networking/syncplay/default.nix b/pkgs/applications/networking/syncplay/default.nix
index 367e9bb7089..306822d74e7 100644
--- a/pkgs/applications/networking/syncplay/default.nix
+++ b/pkgs/applications/networking/syncplay/default.nix
@@ -2,6 +2,7 @@
 , stdenv
 , fetchFromGitHub
 , buildPythonApplication
+, fetchpatch
 , pyside6
 , twisted
 , certifi
@@ -23,6 +24,14 @@ buildPythonApplication rec {
     sha256 = "sha256-Te81yOv3D6M6aMfC5XrM6/I6BlMdlY1yRk1RRJa9Mxg=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "fix-typeerror.patch";
+      url = "https://github.com/Syncplay/syncplay/commit/b62b038cdf58c54205987dfc52ebf228505ad03b.patch";
+      hash = "sha256-pSP33Qn1I+nJBW8T1E1tSJKRh5OnZMRsbU+jr5z4u7c=";
+    })
+  ];
+
   buildInputs = lib.optionals enableGUI [ (if stdenv.isLinux then qt6.qtwayland else qt6.qtbase) ];
   propagatedBuildInputs = [ twisted certifi ]
     ++ twisted.optional-dependencies.tls