diff --git a/app/src/components/AccessControl/LoginDialog.js b/app/src/components/AccessControl/LoginDialog.js
index e795cdc7..338b706f 100644
--- a/app/src/components/AccessControl/LoginDialog.js
+++ b/app/src/components/AccessControl/LoginDialog.js
@@ -116,7 +116,7 @@ const ChooseRoom = ({
 			>
 				<DialogTitle>
 
-					{ window.config.logo !=='' ?
+					{ window.config.logo !== null ?
 						<img alt='Logo' src={window.config.logo} /> :
 						<Typography variant='h5'> {window.config.title} </Typography>
 					}