diff --git a/apps/client/src/setup.ts b/apps/client/src/setup.ts
index 30232b85a3..67ad3e835d 100644
--- a/apps/client/src/setup.ts
+++ b/apps/client/src/setup.ts
@@ -99,7 +99,7 @@ class SetupController {
     }
 
     private async finish() {
-        const syncServerHost = this.syncServerHostInput.value.trim();
+        const syncServerHost = this.syncServerHostInput.value.trim().replace(/\/+$/, "");
         const syncProxy = this.syncProxyInput.value.trim();
         const password = this.passwordInput.value;