diff --git a/app/src/components/Settings/MediaSettings.js b/app/src/components/Settings/MediaSettings.js
index ccb3b20..a792d98 100644
--- a/app/src/components/Settings/MediaSettings.js
+++ b/app/src/components/Settings/MediaSettings.js
@@ -425,7 +425,7 @@ const MediaSettings = ({
 									{
 										roomClient._setNoiseThreshold(value);
 									}}
-								marks={[ { value: volume, label: volume+'dB' } ]}
+								marks={[ { value: volume, label: `${volume} dB` } ]}
 							/>
 						</ListItem>
 					</List>