[Minor] Fix template

diff --git a/src/plugins/lua/bayes_expiry.lua b/src/plugins/lua/bayes_expiry.lua
index 77ec2e52708c12b2a7e996abffd6e794918d0449..c73601e0bc4c8c0b5a4e9910fd4c0fcbb9f91cee 100644 (file)
--- a/src/plugins/lua/bayes_expiry.lua
+++ b/src/plugins/lua/bayes_expiry.lua
@@ -166,7 +166,7 @@ local expiry_script = [[
   local lock = redis.call('GET', lock_key)
 
   if lock then
-    if lock ~= ${hostname} then
+    if lock ~= '${hostname}' then
       return 'locked by ' .. lock
     end
   end