diff --git a/lualib/skynet/db/redis/cluster.lua b/lualib/skynet/db/redis/cluster.lua
index 355b3798..aa49f4f3 100644
--- a/lualib/skynet/db/redis/cluster.lua
+++ b/lualib/skynet/db/redis/cluster.lua
@@ -271,7 +271,7 @@ function rediscluster:get_random_connection()
 				-- If the connection is not good close it ASAP in order
 				-- to avoid waiting for the GC finalizer. File
 				-- descriptors are a rare resource.
-				self.connetions[node.name] = nil
+				self.connections[node.name] = nil
 				conn:disconnect()
 			end
 		end)