diff --git a/resources/com/cadoles/common/add-letsencrypt-ca.sh b/resources/com/cadoles/common/add-letsencrypt-ca.sh
index c0c0937..9e99d06 100644
--- a/resources/com/cadoles/common/add-letsencrypt-ca.sh
+++ b/resources/com/cadoles/common/add-letsencrypt-ca.sh
@@ -19,7 +19,7 @@ cd "$DESTDIR"
 for cert in $CERTS; do
     echo "Downloading '$cert'..."
     filename=$(basename "$cert")
-    wget -O "$filename" "$cert"
+    wget --tries=5 -O "$filename" "$cert"
     openssl x509 -in "$filename" -inform PEM -out "$filename.crt"
 done