diff --git a/src/components/structures/TimelinePanel.tsx b/src/components/structures/TimelinePanel.tsx
index 533216df64..f62676a4fc 100644
--- a/src/components/structures/TimelinePanel.tsx
+++ b/src/components/structures/TimelinePanel.tsx
@@ -758,7 +758,7 @@ class TimelinePanel extends React.Component<IProps, IState> {
             this.lastRMSentEventId = this.state.readMarkerEventId;
 
             const roomId = this.props.timelineSet.room.roomId;
-            const hiddenRR = SettingsStore.getValue("feature_hiddenReadReceipts", roomId);
+            const hiddenRR = SettingsStore.getValue("feature_hidden_read_receipts", roomId);
 
             debuglog('TimelinePanel: Sending Read Markers for ',
                 this.props.timelineSet.room.roomId,
diff --git a/src/components/views/settings/tabs/user/LabsUserSettingsTab.js b/src/components/views/settings/tabs/user/LabsUserSettingsTab.js
index 07abf0aa2e..19a97151d6 100644
--- a/src/components/views/settings/tabs/user/LabsUserSettingsTab.js
+++ b/src/components/views/settings/tabs/user/LabsUserSettingsTab.js
@@ -79,7 +79,7 @@ export default class LabsUserSettingsTab extends React.Component {
             let hiddenReadReceipts;
             if (this.state.showHiddenReadReceipts) {
                 hiddenReadReceipts = (
-                    <SettingsFlag name="feature_hiddenReadReceipts" level={SettingLevel.ACCOUNT} />
+                    <SettingsFlag name="feature_hidden_read_receipts" level={SettingLevel.ACCOUNT} />
                 );
             }
 
diff --git a/src/settings/Settings.tsx b/src/settings/Settings.tsx
index 408de4c2c5..79a82f56b7 100644
--- a/src/settings/Settings.tsx
+++ b/src/settings/Settings.tsx
@@ -333,7 +333,7 @@ export const SETTINGS: {[setting: string]: ISetting} = {
         supportedLevels: LEVELS_ACCOUNT_SETTINGS,
         default: null,
     },
-    "feature_hiddenReadReceipts": {
+    "feature_hidden_read_receipts": {
         supportedLevels: LEVELS_FEATURE,
         displayName: _td(
             "Don't send read receipts",