diff --git a/Dockerfile.arch b/Dockerfile.arch
index d8d981e5..2b6cc904 100644
--- a/Dockerfile.arch
+++ b/Dockerfile.arch
@@ -1,5 +1,6 @@
 FROM archlinux
 
+RUN pacman-key --init
 RUN pacman -Syu --noconfirm && pacman -S --needed --noconfirm \
   autoconf \
   autoconf-archive \