diff --git a/lib/forest_liana/bootstrapper.rb b/lib/forest_liana/bootstrapper.rb
index 48810c2a..1e493429 100644
--- a/lib/forest_liana/bootstrapper.rb
+++ b/lib/forest_liana/bootstrapper.rb
@@ -109,6 +109,7 @@ def analyze_model?(model)
 
     def fetch_models
       ActiveRecord::Base.subclasses.each { |model| fetch_model(model) }
+      ForestLiana.models.uniq!
     end
 
     def fetch_model(model)