diff --git a/platform/ijent/src/com/intellij/platform/ijent/tunnels/util.kt b/platform/ijent/src/com/intellij/platform/ijent/tunnels/util.kt
index 41d651d37693..3a8aa453a8ea 100644
--- a/platform/ijent/src/com/intellij/platform/ijent/tunnels/util.kt
+++ b/platform/ijent/src/com/intellij/platform/ijent/tunnels/util.kt
@@ -112,6 +112,7 @@ private fun CoroutineScope.redirectIJentDataToClientConnection(connectionId: Int
       try {
         runInterruptible {
           outputStream.write(data.toByteArray())
+          outputStream.flush()
         }
       }
       catch (e: SocketTimeoutException) {