diff --git a/app/ldap/server/sync.js b/app/ldap/server/sync.js
index 2eb6ebd334a..e6685297eb7 100644
--- a/app/ldap/server/sync.js
+++ b/app/ldap/server/sync.js
@@ -46,7 +46,7 @@ export function slug(text) {
 	if (settings.get('UTF8_Names_Slugify') !== true) {
 		return text;
 	}
-	text = limax(text, { replacement: '.' });
+	text = limax(text, { replacement: '.', separateNumbers: false });
 	return text.replace(/[^0-9a-z-_.]/g, '');
 }
 
diff --git a/app/lib/server/functions/getUsernameSuggestion.js b/app/lib/server/functions/getUsernameSuggestion.js
index e7be6544a07..0f9b6a5e430 100644
--- a/app/lib/server/functions/getUsernameSuggestion.js
+++ b/app/lib/server/functions/getUsernameSuggestion.js
@@ -4,7 +4,7 @@ import { Users } from '../../../models';
 import { settings } from '../../../settings';
 
 function slug(text) {
-	return limax(text, { replacement: '.' }).replace(/[^0-9a-z-_.]/g, '');
+	return limax(text, { replacement: '.', separateNumbers: false }).replace(/[^0-9a-z-_.]/g, '');
 }
 
 function usernameIsAvaliable(username) {