diff --git a/ChangeLog b/ChangeLog
index a7e90b897..b417b1ecb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -51,6 +51,7 @@
 
 ==== Blocklist ====
 	* Fix blocklist not working for all locales
+	* Fix blocklist checking for updates when it shouldn't
 
 === Deluge 1.2.0_rc4 (24 November 2009) ===
 ==== Core ====
diff --git a/deluge/plugins/blocklist/blocklist/core.py b/deluge/plugins/blocklist/blocklist/core.py
index f525b6059..e87cb55f0 100644
--- a/deluge/plugins/blocklist/blocklist/core.py
+++ b/deluge/plugins/blocklist/blocklist/core.py
@@ -87,13 +87,16 @@ class Core(CorePluginBase):
 
         self.reader = create_reader(self.config["list_type"], self.config["list_compression"])
 
+        if type(self.config["last_update"]) is not float:
+            self.config.config["last_update"] = 0.0
+
         update_now = False
         if self.config["load_on_start"]:
             if self.config["last_update"]:
                 now = datetime.now()
                 last_update = datetime.fromtimestamp(self.config["last_update"])
                 check_period = timedelta(days=self.config["check_after_days"])
-            if not self.config["last_update"] or last_update + check_period >= now:
+            if not self.config["last_update"] or last_update + check_period < now:
                 update_now = True
             else:
                 self.use_cache = True