diff --git a/src/charts/AddSlaLine.js b/src/charts/AddSlaLine.js
index 45da557..2ef175a 100644
--- a/src/charts/AddSlaLine.js
+++ b/src/charts/AddSlaLine.js
@@ -289,7 +289,7 @@ export default class extends PageModification {
 
     let slaValue = Number(value);
 
-    window.onpopstate = () => {
+    const renderSlaLineByQeryParam = () => {
       const slaQueryParam = this.getSearchParam(SLA_QUERY_PARAMETER);
       if (slaQueryParam !== null) {
         document.getElementById(SLA_INPUT_FIELD_ID).value = slaQueryParam;
@@ -297,6 +297,8 @@ export default class extends PageModification {
       }
     };
 
+    window.onpopstate = renderSlaLineByQeryParam;
+
     const slaQueryParam = this.getSearchParam(SLA_QUERY_PARAMETER);
     let changingValue = slaQueryParam !== null ? Number(slaQueryParam) : slaValue;
 
@@ -316,5 +318,20 @@ export default class extends PageModification {
         renderSlaLine(slaValue, chartElement, changingValue);
       },
     });
+
+    this.addEventListener(document.querySelector('#ghx-chart-content'), 'change', e => {
+      if (/jira-helper/.test(e.target.getAttribute('id'))) {
+        return;
+      }
+
+      // eslint-disable-next-line no-console
+      console.log('Event chages:', e);
+      const slaInput = document.getElementById(SLA_INPUT_FIELD_ID);
+      const event = new Event('input', {
+        bubbles: true,
+        cancelable: true,
+      });
+      slaInput.dispatchEvent(event);
+    });
   }
 }