diff --git a/install.sh b/install.sh
index 416d1ea..9ed78c8 100755
--- a/install.sh
+++ b/install.sh
@@ -130,11 +130,12 @@ main() {
     fi
     setup_cmd+=(./setup.sh "$@")
 
-    # Reconnect stdin to /dev/tty if stdin is currently piped and /dev/tty is accessible (for interactive prompts/TUI)
+    # Execute setup.sh with stdin connected to /dev/tty if stdin is piped (e.g. curl ... | bash)
     if [[ ! -t 0 ]] && [[ -e /dev/tty ]] && ( : < /dev/tty ) 2>/dev/null; then
-        exec < /dev/tty
+        "${setup_cmd[@]}" < /dev/tty
+    else
+        "${setup_cmd[@]}"
     fi
-    "${setup_cmd[@]}"
 }
 
 main "$@"