diff --git a/scripts/key_sign.sh b/scripts/key_sign.sh
index c6b7a90..6b39bb8 100755
--- a/scripts/key_sign.sh
+++ b/scripts/key_sign.sh
@@ -96,16 +96,20 @@ pacman-key --lsign-key B175815513971572FE7B1557CEC07AC8FF64DA4B
 
 pacman-key --lsign-key melawy-linux
 
-pacman-key --add /usr/share/pacman/keyrings/manjaro.gpg
-pacman-key --lsign-key manjaro
-pacman-key --add /usr/share/pacman/keyrings/cachyos.gpg
-pacman-key --lsign-key cachyos
-pacman-key --add /usr/share/pacman/keyrings/arcolinux.gpg
-pacman-key --lsign-key arcolinux
-pacman-key --add /usr/share/pacman/keyrings/chaotic.gpg
-pacman-key --lsign-key chaotic
-pacman-key --add /usr/share/pacman/keyrings/endeavouros.gpg
-pacman-key --lsign-key endeavouros
+keys=(
+"/usr/share/pacman/keyrings/manjaro.gpg"
+"/usr/share/pacman/keyrings/cachyos.gpg"
+"/usr/share/pacman/keyrings/arcolinux.gpg"
+"/usr/share/pacman/keyrings/chaotic.gpg"
+"/usr/share/pacman/keyrings/endeavouros.gpg"
+)
+
+for key in ${keys[*]}; do
+    if [ -f ${key} ]; then
+        pacman-key --add ${key}
+        pacman-key --lsign-key $(basename ${key} | cut -d. -f1)
+    fi
+done
 
 pacman-key --populate