diff --git a/react/MuiCozyTheme/makeOverrides.js b/react/MuiCozyTheme/makeOverrides.js
index b30b4f5cba..6377462fc1 100644
--- a/react/MuiCozyTheme/makeOverrides.js
+++ b/react/MuiCozyTheme/makeOverrides.js
@@ -581,7 +581,7 @@ export const makeOverrides = theme => ({
     thumb: {
       width: 16,
       height: 16,
-      backgroundColor: theme.palette.grey[0]
+      backgroundColor: theme.palette.common.white
     },
     track: {
       width: SWITCH_BAR_WIDTH,
diff --git a/react/MuiCozyTheme/makePalette.js b/react/MuiCozyTheme/makePalette.js
index baf3fadfdc..b48210e1d6 100644
--- a/react/MuiCozyTheme/makePalette.js
+++ b/react/MuiCozyTheme/makePalette.js
@@ -88,7 +88,6 @@ export const makePalette = type => {
       icon: getCssValue('iconTextColor')
     },
     grey: {
-      0: getCssValue('grey0'),
       50: getCssValue('grey50'),
       100: getCssValue('grey100'),
       200: getCssValue('grey200'),