diff --git a/logic/config.js b/logic/config.js
index 2641e23..4408398 100644
--- a/logic/config.js
+++ b/logic/config.js
@@ -35,6 +35,7 @@ const DEFAULT_ADVANCED_SETTINGS = {
   maxmempool: 300,
   mempoolexpiry: 336,
   persistmempool: true,
+  coinstatsindex: true,
   datacarrier: true,
   datacarriersize: 42,
   permitbaremultisig: false,
@@ -176,6 +177,12 @@ function settingsToMultilineConfString(settings) {
     umbrelBitcoinConfig.push('persistmempool=1');
   }
 
+  // coinstatsindex
+  if (settings.coinstatsindex) {
+    umbrelBitcoinConfig.push("# Maintain coinstats index used by the gettxoutsetinfo RPC.");
+    umbrelBitcoinConfig.push('coinstatsindex=1');
+  }
+
   // datacarrier
   if (!settings.datacarrier) {
     umbrelBitcoinConfig.push("# Relay and mine data carrier transactions.");