diff --git a/jso/apis/src/main/java/org/teavm/jso/websocket/WebSocket.java b/jso/apis/src/main/java/org/teavm/jso/websocket/WebSocket.java
index 8c5ead3ed..48079f199 100644
--- a/jso/apis/src/main/java/org/teavm/jso/websocket/WebSocket.java
+++ b/jso/apis/src/main/java/org/teavm/jso/websocket/WebSocket.java
@@ -80,5 +80,5 @@ public abstract class WebSocket implements JSObject {
   public abstract String getUrl();
 
   @JSBody(script = "return typeof WebSocket !== 'undefined';")
-  protected static native boolean isSupported();
+  public static native boolean isSupported();
 }