diff --git a/example.config.toml b/example.config.toml
index 9aacd12..a29cd3e 100644
--- a/example.config.toml
+++ b/example.config.toml
@@ -27,6 +27,9 @@ username = "woke"
 password = "woke"
 
 [data]
+# Interval to refresh polled datasources
+#interval = 30
+
 # By default, we use the woke.net streams data source.
 # You can add other URLs to fetch here:
 json-url = ["https://woke.net/api/streams.json"]
diff --git a/src/node/data.js b/src/node/data.js
index 28f97b8..4d90b54 100644
--- a/src/node/data.js
+++ b/src/node/data.js
@@ -12,8 +12,8 @@ function filterLive(data) {
   return data.filter(({ status }) => status === 'Live' || status === 'Unknown')
 }
 
-export async function* pollDataURL(url) {
-  const refreshInterval = 5 * 1000
+export async function* pollDataURL(url, intervalSecs) {
+  const refreshInterval = intervalSecs * 1000
   let lastData = []
   while (true) {
     let data = []
diff --git a/src/node/index.js b/src/node/index.js
index 34b781d..4f18e9b 100644
--- a/src/node/index.js
+++ b/src/node/index.js
@@ -62,7 +62,12 @@ function parseArgs() {
       describe: 'Background color of wall (useful for chroma-keying)',
       default: '#000',
     })
-    .group(['data.json-url', 'data.toml-file'], 'Datasources')
+    .group(['data.interval', 'data.json-url', 'data.toml-file'], 'Datasources')
+    .option('data.interval', {
+      describe: 'Interval (in seconds) for refreshing polled data sources',
+      number: true,
+      default: 30,
+    })
     .option('data.json-url', {
       describe: 'Fetch streams from the specified URL(s)',
       array: true,
@@ -353,7 +358,7 @@ async function main() {
 
   const dataSources = [
     ...argv.data['json-url'].map((url) =>
-      markDataSource(pollDataURL(url), 'json-url'),
+      markDataSource(pollDataURL(url, argv.data.interval), 'json-url'),
     ),
     ...argv.data['toml-file'].map((path) =>
       markDataSource(watchDataFile(path), 'toml-file'),