diff --git a/pkgs/tmuxai/default.nix b/pkgs/tmuxai/default.nix
index af9ef69..6df24ce 100644
--- a/pkgs/tmuxai/default.nix
+++ b/pkgs/tmuxai/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
                 else throw "Unsupported platform for tmuxai precompiled binary: ${stdenv.hostPlatform.system}";
 
   srcHash = if stdenv.isLinux && stdenv.hostPlatform.isx86_64 then
-              "0klaq94kns7a41vbwvb13l3ys0i42v60bmrz62fmyh9x5053jswi"
+              "sha256-0klaq94kns7a41vbwvb13l3ys0i42v60bmrz62fmyh9x5053jswi"
             else if stdenv.isLinux && stdenv.hostPlatform.isAarch64 then
               "sha256-58770cf1f98badf0635e7f9ad05fbe31dde52557d20294a3a4fa01abcd1554eb"
             else throw "Unsupported platform for tmuxai precompiled binary hash: ${stdenv.hostPlatform.system}";