diff --git a/lib/GTSRSSApi.pm b/lib/GTSRSSApi.pm
index f40bf93..4ccb2b3 100644
--- a/lib/GTSRSSApi.pm
+++ b/lib/GTSRSSApi.pm
@@ -416,7 +416,7 @@ EOF
             );
         }
         $db->do( <<'EOF', undef );
-UPDATE offers SET is_available = false, marked_to_check_is_available = false = true WHERE is_available and marked_to_check_is_available;
+UPDATE offers SET is_available = false, marked_to_check_is_available = false WHERE is_available and marked_to_check_is_available;
 EOF
         $db->commit;
     };