diff --git a/portproton/lure.sh b/portproton/lure.sh
index ba17ba7..5177a94 100644
--- a/portproton/lure.sh
+++ b/portproton/lure.sh
@@ -26,7 +26,7 @@ checksums=('SKIP'
 prepare() {
 cd "${srcdir}"
 if [$distro=debian]; then
-dpkg --add-architecture i386
+sudo dpkg --add-architecture i386
 fi
 }