diff --git a/modules/tmux/default.nix b/modules/tmux/default.nix
index f885ad3..7f46b6f 100644
--- a/modules/tmux/default.nix
+++ b/modules/tmux/default.nix
@@ -11,7 +11,7 @@ let
     };
     nativeBuildInputs = [ pkgs.makeWrapper ];
     postInstall = ''
-      find $target -type f -name "*.tmux" -o -name "*.sh" | while read script; do
+      find $target -type f -executable \( -name "*.tmux" -o -name "*.sh" \) | while read script; do
         wrapProgram "$script" --prefix PATH : ${
           pkgs.lib.makeBinPath [
             pkgs.bash
@@ -32,7 +32,7 @@ let
     };
     nativeBuildInputs = [ pkgs.makeWrapper ];
     postInstall = ''
-      find $target -type f -name "*.tmux" -o -name "*.sh" | while read script; do
+      find $target -type f -executable \( -name "*.tmux" -o -name "*.sh" \) | while read script; do
         wrapProgram "$script" --prefix PATH : ${
           pkgs.lib.makeBinPath [
             pkgs.bash