diff --git a/examples/configuration.nix b/examples/configuration.nix
index ee24f4f..e050c45 100644
--- a/examples/configuration.nix
+++ b/examples/configuration.nix
@@ -63,7 +63,8 @@
   # Electrum Server in Rust. Only enable this if hardware wallets are
   # disabled.
   # services.electrs.enable = true;
-  # If you have ≥8GB memory, enable this option so electrs will sync faster.
+  # If you have more than 8GB memory, enable this option so electrs will
+  # sync faster.
   # services.electrs.high-memory = true;
 
   ### LIQUIDD
diff --git a/modules/presets/secure-node.nix b/modules/presets/secure-node.nix
index f36b2f6..8feb283 100644
--- a/modules/presets/secure-node.nix
+++ b/modules/presets/secure-node.nix
@@ -46,7 +46,7 @@ in {
     services.bitcoind = {
       enable = true;
       listen = true;
-      dataDirReadableByGroup = mkIf cfg.electrs.enable true;
+      dataDirReadableByGroup = mkIf cfg.electrs.high-memory true;
       proxy = cfg.tor.client.socksListenAddress;
       enforceTor = true;
       port = 8333;