diff --git a/dockstat.py b/dockstat.py
index e5a3628..d5e82ba 100644
--- a/dockstat.py
+++ b/dockstat.py
@@ -37,7 +37,10 @@ class HTTPHandler(MetricsHandler):  # type: ignore[misc]
         Handle GET requests
         """
         if self.path == '/metrics':
-            self._metrics()
+            try:
+                self._metrics()
+            except docker.errors.NotFound:
+                pass
 
         if self.path == '/healthcheck':
             if not healthy():