diff --git a/iso/docker/entrypoint-arm64.sh b/iso/docker/entrypoint-arm64.sh
index 9c879f9..e4854fc 100755
--- a/iso/docker/entrypoint-arm64.sh
+++ b/iso/docker/entrypoint-arm64.sh
@@ -23,6 +23,8 @@ cat > "$PROFILE/pacman.conf" <<'PACMANCONF'
 [options]
 HoldPkg     = pacman glibc
 Architecture = aarch64
+# Mirrors occasionally lack .db.sig files — disable sig checks for reliability
+SigLevel    = Never
 
 [core]
 Include = /etc/pacman.d/mirrorlist