[Minor] Fix bayes_expiry disabling

diff --git a/src/plugins/lua/bayes_expiry.lua b/src/plugins/lua/bayes_expiry.lua
index e0bec119feefb303732d94ef9d2161b3fb240bb2..de26e92e1f4e73c30f19bae47ce62adec96af36b 100644 (file)
--- a/src/plugins/lua/bayes_expiry.lua
+++ b/src/plugins/lua/bayes_expiry.lua
@@ -72,7 +72,7 @@ local function check_redis_classifier(cls, cfg)
       end
     end
 
-    if not symbol_spam or not symbol_ham or not type(expiry) == 'number' then
+    if not symbol_spam or not symbol_ham or type(expiry) ~= 'number' then
       return
     end
     -- Now try to load redis_params if needed