diff --git a/app/policies/mapping_policy.rb b/app/policies/mapping_policy.rb
index 5826ccd4..ce8522df 100644
--- a/app/policies/mapping_policy.rb
+++ b/app/policies/mapping_policy.rb
@@ -16,7 +16,7 @@ class MappingPolicy < ApplicationPolicy
   end
 
   def show?
-    map_policy.show? && mappable_policy.show?
+    map_policy.show? && mappable_policy.try(:show?)
   end
 
   def create?