diff --git a/app/policies/metapurse_policy.rb b/app/policies/metapurse_policy.rb
index bd976c9a..c7656456 100644
--- a/app/policies/metapurse_policy.rb
+++ b/app/policies/metapurse_policy.rb
@@ -31,11 +31,11 @@ class MetapursePolicy
   end
 
   def show?
-    true
+    @user.admin? || @metapurse.user == @user || @metapurse.user == nil || @metapurse.is_private == false
   end
 
   def data?
-    true
+    @user.admin? || @metapurse.user == @user || @metapurse.user == nil || @metapurse.is_private == false
   end
 
   def create?
@@ -55,7 +55,7 @@ class MetapursePolicy
   end
 
   def destroy?
-    @user.admin? || @metapurse.user == @user
+    @user.admin? || @metapurse.user == @user || @metapurse.user == nil
   end
 
 end