diff --git a/priv/frontend/src/components/Graph.js b/priv/frontend/src/components/Graph.js
index c50167b..c8a1c5e 100644
--- a/priv/frontend/src/components/Graph.js
+++ b/priv/frontend/src/components/Graph.js
@@ -60,6 +60,8 @@ export default class Graph extends Component {
       tickSize: 0,
     };
 
+    const minutesAllocated = [];
+
     return (
       <div className="graph-container">
         <ResponsiveLine
@@ -76,10 +78,13 @@ export default class Graph extends Component {
             format: (epoch) => {
               const interval = this.isSmallScreen() ? 7 : 5;
               const minutesAgo = Math.floor((Date.now() - epoch) / (1000 * 60));
-              if (minutesAgo % interval !== 0 || minutesAgo === 0) {
-                return undefined;
+
+              if (minutesAgo % interval !== 0 || minutesAgo === 0
+                  || minutesAllocated.includes(minutesAgo)) {
+                return '';
               }
 
+              minutesAllocated.push(minutesAgo);
               return ms(Date.now() - epoch);
             },
             tickSize: 0,