diff --git a/modules/system/nextcloud/default.nix b/modules/system/nextcloud/default.nix
index 4002f51..f9f69c2 100644
--- a/modules/system/nextcloud/default.nix
+++ b/modules/system/nextcloud/default.nix
@@ -34,6 +34,8 @@
         maintenance_window_start = "2"; # UTC
       };
 
+      phpOptions."opcache.interned_strings_buffer" = "16";
+
       autoUpdateApps = {
         enable = true;
         startAt = "04:00:00";