diff --git a/ghost/ghost.py b/ghost/ghost.py
index b0d2ff7..53bfc8c 100755
--- a/ghost/ghost.py
+++ b/ghost/ghost.py
@@ -1266,6 +1266,8 @@ def wait_for(self, condition, timeout_message, timeout=None):
         started_at = time.time()
         while not condition():
             if time.time() > (started_at + timeout):
+                self.logger.debug('Timeout with %d requests still in flight',
+                                  self.manager.requests)
                 raise TimeoutError(timeout_message)
             self.sleep(value=timeout / 10)
             if self.wait_callback is not None: