diff --git a/setup.sh b/setup.sh
index c71b3f29..a6fd20f4 100644
--- a/setup.sh
+++ b/setup.sh
@@ -970,6 +970,11 @@ trap cleanup INT TERM
 # ── Main ────────────────────────────────────────────────────────────────────
 
 main() {
+    # When piped (e.g. curl | bash), reopen stdin from the terminal
+    if [[ ! -t 0 ]]; then
+        exec < /dev/tty
+    fi
+
     # Check for minimum terminal size
     get_term_size
     if [[ $TERM_COLS -lt 60 || $TERM_ROWS -lt 20 ]]; then