diff --git a/redis/cluster.py b/redis/cluster.py
index 9dcbad7fc1..b99381d3f1 100644
--- a/redis/cluster.py
+++ b/redis/cluster.py
@@ -497,7 +497,7 @@ def __init__(
         startup_nodes: Optional[List["ClusterNode"]] = None,
         cluster_error_retry_attempts: int = 3,
         retry: Optional["Retry"] = None,
-        require_full_coverage: bool = False,
+        require_full_coverage: bool = True,
         reinitialize_steps: int = 5,
         read_from_replicas: bool = False,
         dynamic_startup_nodes: bool = True,