diff --git a/wakatime/__init__.py b/wakatime/__init__.py
index 9292cc6..fce8b6f 100644
--- a/wakatime/__init__.py
+++ b/wakatime/__init__.py
@@ -286,6 +286,10 @@ def send_action(project=None, branch=None, stats=None, key=None, targetFile=None
     auth = u('Basic {key}').format(key=u(base64.b64encode(str.encode(key) if is_py3 else key)))
     request.add_header('Authorization', auth)
 
+    ALWAYS_LOG_CODES = [
+        401,
+    ]
+
     # add Olson timezone to request
     try:
         tz = tzlocal.get_localzone()
@@ -310,6 +314,10 @@ def send_action(project=None, branch=None, stats=None, key=None, targetFile=None
             queue.push(data, plugin)
             if log.isEnabledFor(logging.DEBUG):
                 log.warn(exception_data)
+            if response.getcode() in ALWAYS_LOG_CODES:
+                log.error({
+                    'response_code': response.getcode(),
+                })
         else:
             log.error(exception_data)
     except:
@@ -325,6 +333,10 @@ def send_action(project=None, branch=None, stats=None, key=None, targetFile=None
                 log.error(exception_data)
             elif log.isEnabledFor(logging.DEBUG):
                 log.warn(exception_data)
+            if response.getcode() in ALWAYS_LOG_CODES:
+                log.error({
+                    'response_code': response.getcode(),
+                })
         else:
             log.error(exception_data)
     else: