diff --git a/binocular-frontend/src/visualizations/merge-request-ownership/chart/index.tsx b/binocular-frontend/src/visualizations/merge-request-ownership/chart/index.tsx
index 5f0b3068..0326dac4 100644
--- a/binocular-frontend/src/visualizations/merge-request-ownership/chart/index.tsx
+++ b/binocular-frontend/src/visualizations/merge-request-ownership/chart/index.tsx
@@ -11,6 +11,8 @@ const mapStateToProps = (state) => {
     mergeRequests: mergeRequestOwnershipState.data.data.mergeRequests,
     selectedAuthors: universalSettings.selectedAuthorsGlobal,
     allAuthors: universalSettings.allAuthors,
+    firstSignificantTimestamp: mergeRequestOwnershipState.data.data.firstSignificantTimestamp,
+    lastSignificantTimestamp: mergeRequestOwnershipState.data.data.lastSignificantTimestamp,
   };
 };
 
diff --git a/binocular-frontend/src/visualizations/merge-request-ownership/sagas/index.ts b/binocular-frontend/src/visualizations/merge-request-ownership/sagas/index.ts
index 96ad7567..0aaf97b9 100644
--- a/binocular-frontend/src/visualizations/merge-request-ownership/sagas/index.ts
+++ b/binocular-frontend/src/visualizations/merge-request-ownership/sagas/index.ts
@@ -3,6 +3,7 @@
 import { fetchFactory, timestampedActionFactory } from '../../../sagas/utils';
 import Database from '../../../database/database';
 import { createAction } from 'redux-actions';
+import { fork, select, takeEvery } from 'redux-saga/effects';
 
 export const setActiveVisualizations = createAction('SET_ACTIVE_VISUALIZATIONS');
 export const requestMergeRequestOwnershipData = createAction('REQUEST_MERGE_REQUEST_OWNERSHIP_DATA');
@@ -13,6 +14,11 @@ export const onlyShowAuthors = createAction('SET_ONLY_SHOW_AUTHORS');
 
 export default function* () {
   yield* fetchMergeRequestOwnershipData();
+  yield fork(watchTimeSpan);
+}
+
+function* watchTimeSpan() {
+  yield takeEvery('SET_TIME_SPAN', fetchMergeRequestOwnershipData);
 }
 
 export const fetchMergeRequestOwnershipData = fetchFactory(
@@ -22,10 +28,21 @@ export const fetchMergeRequestOwnershipData = fetchFactory(
     const firstMergeRequestTimestamp = Date.parse(firstMergeRequest.date);
     const lastMergeRequestTimestamp = Date.parse(firstMergeRequest.date);
 
+    let firstSignificantTimestamp = firstMergeRequestTimestamp;
+    let lastSignificantTimestamp = lastMergeRequestTimestamp;
+
+    const state = yield select();
+
+    const timeSpan = state.universalSettings.chartTimeSpan;
+    firstSignificantTimestamp = timeSpan.from === undefined ? firstSignificantTimestamp : new Date(timeSpan.from).getTime();
+    lastSignificantTimestamp = timeSpan.to === undefined ? lastSignificantTimestamp : new Date(timeSpan.to).getTime();
+
+    console.log(firstSignificantTimestamp);
+
     return yield Promise.resolve(
       Database.getMergeRequestData(
         [firstMergeRequestTimestamp, lastMergeRequestTimestamp],
-        [firstMergeRequestTimestamp, lastMergeRequestTimestamp],
+        [firstSignificantTimestamp, lastSignificantTimestamp],
       ),
     ).then((result) => {
       const mergeRequests = result;