diff --git a/workers/purge_cache_worker.rb b/workers/purge_cache_worker.rb
index a62dd011..1660834f 100644
--- a/workers/purge_cache_worker.rb
+++ b/workers/purge_cache_worker.rb
@@ -14,7 +14,7 @@ class PurgeCacheWorker
     # Must always have a forward slash
     path = '/' + path if path[0] != '/'
 
-    $redis_proxy.publish 'proxy', {cmd: 'purge', key: "#{username}#{path}"}.to_msgpack
+    $redis_proxy.publish 'proxy', {cmd: 'purge', path: "#{username}#{path}"}.to_msgpack
 
     url = Addressable::URI.encode_component(
       "https://#{proxy_ip}#{path}",