diff --git a/check_docker/check_docker/check_docker.py b/check_docker/check_docker/check_docker.py
index 8789146..8693baf 100755
--- a/check_docker/check_docker/check_docker.py
+++ b/check_docker/check_docker/check_docker.py
@@ -937,8 +937,8 @@ def perform_checks(raw_args):
     #############################################################################################
     try:
         containers = get_containers(args.containers, args.present)
-    except ConnectionRefusedError:
-        critical('Failed to connect to daemon: connection refused.')
+    except URLError as e:
+        critical(f'Failed to connect to daemon: {e.reason}.')
 
     if len(containers) == 0 and not args.present:
         unknown("No containers names found matching criteria")