diff --git a/install.sh b/install.sh
index 5505639..122afc8 100644
--- a/install.sh
+++ b/install.sh
@@ -1522,9 +1522,9 @@ install_custom_certificates() {
 
   if [[ "$force" != "--force" \
     && -f "${CUSTOM_CERT_TARGET_DIR}/fullchain.pem" \
-    && -f "${CUSTOM_CERT_TARGET_DIR}/privkey.pem" \
+    && -f "${CUSTOM_CERT_TARGET_DIR}/privkey.pem" ]] \
     && cmp -s "$src_fullchain" "${CUSTOM_CERT_TARGET_DIR}/fullchain.pem" \
-    && cmp -s "$src_key" "${CUSTOM_CERT_TARGET_DIR}/privkey.pem" ]]; then
+    && cmp -s "$src_key" "${CUSTOM_CERT_TARGET_DIR}/privkey.pem"; then
     log "Сертификаты уже установлены: ${CUSTOM_CERT_TARGET_DIR}/"
     return 0
   fi