diff --git a/ws/.gitignore b/ws/.gitignore
index 378eac25..e3fbd983 100644
--- a/ws/.gitignore
+++ b/ws/.gitignore
@@ -1 +1,2 @@
 build
+node_modules
diff --git a/ws/package-lock.json b/ws/package-lock.json
new file mode 100644
index 00000000..1306ec3b
--- /dev/null
+++ b/ws/package-lock.json
@@ -0,0 +1,19 @@
+{
+  "requires": true,
+  "lockfileVersion": 1,
+  "dependencies": {
+    "async-limiter": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
+    },
+    "ws": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.0.tgz",
+      "integrity": "sha512-deZYUNlt2O4buFCa3t5bKLf8A7FPP/TVjwOeVNpw818Ma5nk4MLXls2eoEGS39o8119QIYxTrTDoPQ5B/gTD6w==",
+      "requires": {
+        "async-limiter": "1.0.0"
+      }
+    }
+  }
+}
diff --git a/ws/ws_receive.cpp b/ws/ws_receive.cpp
index e46ea14b..6f270c52 100644
--- a/ws/ws_receive.cpp
+++ b/ws/ws_receive.cpp
@@ -231,6 +231,7 @@ namespace ix
                 }
                 else if (messageType == ix::WebSocket_MessageType_Error)
                 {
+                    ss << "ws_receive ";
                     ss << "Connection error: " << error.reason      << std::endl;
                     ss << "#retries: "         << error.retries     << std::endl;
                     ss << "Wait time(ms): "    << error.wait_time   << std::endl;
diff --git a/ws/ws_send.cpp b/ws/ws_send.cpp
index ed6911e6..566787f8 100644
--- a/ws/ws_send.cpp
+++ b/ws/ws_send.cpp
@@ -162,6 +162,7 @@ namespace ix
                 }
                 else if (messageType == ix::WebSocket_MessageType_Error)
                 {
+                    ss << "ws_send ";
                     ss << "Connection error: " << error.reason      << std::endl;
                     ss << "#retries: "         << error.retries     << std::endl;
                     ss << "Wait time(ms): "    << error.wait_time   << std::endl;