diff --git a/client/src/App.js b/client/src/App.js
index bea29ec..632695f 100644
--- a/client/src/App.js
+++ b/client/src/App.js
@@ -156,7 +156,8 @@ function SolarPower({end, duration}) {
 			<YAxis
 				domain={[0, 6000]}
 				width={35}
-				ticks={['0', '1k', '2k', '3k', '4k', '5k', '6k']}
+				ticks={[0, 1000, 2000, 3000, 4000, 5000, 6000]}
+				tickFormatter={(tick) => tick === 0 ? 0 : (tick / 1000) + 'k'}
 			/>
 
 			<CartesianGrid strokeDasharray='3 3'/>