diff --git a/platform/platform-impl/src/org/jetbrains/io/NettyUtil.java b/platform/platform-impl/src/org/jetbrains/io/NettyUtil.java
index 9780eeace5df..0f448f0305fa 100644
--- a/platform/platform-impl/src/org/jetbrains/io/NettyUtil.java
+++ b/platform/platform-impl/src/org/jetbrains/io/NettyUtil.java
@@ -108,7 +108,7 @@ public final class NettyUtil {
                                                                        .allowCredentials()
                                                                        .allowNullOrigin()
                                                                        .allowedRequestMethods(HttpMethod.GET, HttpMethod.POST, HttpMethod.PUT, HttpMethod.DELETE, HttpMethod.HEAD, HttpMethod.PATCH)
-                                                                       .allowedRequestHeaders("origin", "accept", "authorization", "content-type", "x-ijt")
+                                                                       .allowedRequestHeaders("origin", "accept", "authorization", "content-type", "x-ijt", "x-requested-with")
                                                                        .build()));
   }