diff --git a/arch-ppa b/arch-ppa
index ddf49c3..490ed94 100755
--- a/arch-ppa
+++ b/arch-ppa
@@ -96,8 +96,7 @@ sign_packages() {
 	set -e
 	cd $(dirname $1)
 	for pkg in "$@"; do
-	    	rm -f "${pkg}.sig"
-		gpg -u 'ECB9B8CBAAC68C03!' --detach-sign --use-agent $pkg
+		gpg -v "${pkg}.sig" 2>/dev/null || (rm -f "${pkg}.sig"; gpg -u 'ECB9B8CBAAC68C03!' --detach-sign --use-agent "$pkg")
 	done
     )
 }
diff --git a/push.sh b/push.sh
index 3df908f..21361d1 100755
--- a/push.sh
+++ b/push.sh
@@ -4,7 +4,7 @@ cd aur
 cp -a /etc/pacman.conf /etc/pacman.d/mirrorlist ./
 
 # sign everything
-gpg -u 'ECB9B8CBAAC68C03!' -b pacman.conf
-gpg -u 'ECB9B8CBAAC68C03!' -b mirrorlist
+gpg -v pacman.conf.sig 2>/dev/null || (rm -f pacman.conf.sig; gpg -u 'ECB9B8CBAAC68C03!' -b pacman.conf)
+gpg -v mirrorlist.sig 2>/dev/null || (rm -f mirrorlist.sig; gpg -u 'ECB9B8CBAAC68C03!' -b mirrorlist)
 
 rsync -av --stats --progress --delete ./ root@mytorrentflux:/pacman/aur/