diff --git a/LauncherAPI/src/main/java/ru/gravit/launcher/request/websockets/LegacyRequestBridge.java b/LauncherAPI/src/main/java/ru/gravit/launcher/request/websockets/LegacyRequestBridge.java
index 03659c42..d6c9aa06 100644
--- a/LauncherAPI/src/main/java/ru/gravit/launcher/request/websockets/LegacyRequestBridge.java
+++ b/LauncherAPI/src/main/java/ru/gravit/launcher/request/websockets/LegacyRequestBridge.java
@@ -14,7 +14,10 @@ public static ResultInterface sendRequest(RequestInterface request) throws IOExc
         service.sendObject(request);
         while(!e.ready)
         {
-            e.wait();
+            synchronized(e)
+            {
+                e.wait();
+            }
         }
         ResultInterface result = e.result;
         waitEventHandler.requests.remove(e);