diff --git a/ui/app/components/app/gas-customization/gas-price-chart/tests/gas-price-chart.component.test.js b/ui/app/components/app/gas-customization/gas-price-chart/tests/gas-price-chart.component.test.js
index ca9a2007f..2204262b9 100644
--- a/ui/app/components/app/gas-customization/gas-price-chart/tests/gas-price-chart.component.test.js
+++ b/ui/app/components/app/gas-customization/gas-price-chart/tests/gas-price-chart.component.test.js
@@ -51,7 +51,7 @@ const testProps = {
   gasPrices: [1.5, 2.5, 4, 8],
   estimatedTimes: [100, 80, 40, 10],
   gasPricesMax: 9,
-  estimatedTimesMax: '100',
+  estimatedTimesMax: 100,
   currentPrice: 6,
   updateCustomGasPrice: propsMethodSpies.updateCustomGasPrice,
 }