diff --git a/hosts/nextcloud/nextcloud.nix b/hosts/nextcloud/nextcloud.nix
index e6cb567..d09b0fb 100644
--- a/hosts/nextcloud/nextcloud.nix
+++ b/hosts/nextcloud/nextcloud.nix
@@ -29,7 +29,12 @@
       mail_smtpport = 465;
       mail_smtpname = "nextcloud";
     };
+    # Only contains mail_smtppassword
     secretFile = "/secrets/nextcloud-secretfile.secret";
+    phpOptions = {
+      # The amount of memory for interned strings in Mbytes
+      "opcache.interned_strings_buffer" = "64";
+    };
   };
 
   services.nginx = {