diff --git a/pkgs/by-name/tm/tmux/package.nix b/pkgs/by-name/tm/tmux/package.nix
index 347ee235c203..830bb3aad435 100644
--- a/pkgs/by-name/tm/tmux/package.nix
+++ b/pkgs/by-name/tm/tmux/package.nix
@@ -10,7 +10,8 @@
   runCommand,
   withSystemd ? lib.meta.availableOn stdenv.hostPlatform systemd,
   systemd,
-  withUtf8proc ? true,
+  # broken on i686-linux https://github.com/tmux/tmux/issues/4597
+  withUtf8proc ? !(stdenv.hostPlatform.is32bit),
   utf8proc, # gets Unicode updates faster than glibc
   withUtempter ? stdenv.hostPlatform.isLinux && !stdenv.hostPlatform.isMusl,
   libutempter,