diff --git a/libs/modelParser.js b/libs/modelParser.js
index 9276d0158..0ae3bf25f 100644
--- a/libs/modelParser.js
+++ b/libs/modelParser.js
@@ -1172,7 +1172,7 @@ var parseSession = function (aSession) {
 
   oujsOptions.remoteAddressMask = oujsOptions.remoteAddress;
   oujsOptions.userAgentFamily = useragent
-    .parse(oujsOptions.userAgent).family.toLowerCase().replace(/\s+/g, '-');
+    .parse(oujsOptions.userAgent).family.toLowerCase().replace(/[\s\/]+/g, '-');
   parseDateProperty(oujsOptions, 'since');
 
   cookie.sameSiteStrict = cookie.sameSite === 'strict';
diff --git a/public/css/common.css b/public/css/common.css
index d46fc34aa..4fe06f794 100644
--- a/public/css/common.css
+++ b/public/css/common.css
@@ -475,7 +475,7 @@ ul.flaggedList {
   background: transparent url("/images/ua/rekonq16.png") no-repeat left top;
   color: transparent;
 }
-.ua-safari, .ua-mobile-safari, .ua-mobile-safari-ui/wkwebview {
+.ua-safari, .ua-mobile-safari, .ua-mobile-safari-ui-wkwebview {
   background: transparent url("/images/ua/safari16.png") no-repeat left top;
   color: transparent;
 }