diff --git a/include/Sacrifice/UserHooksFactory.hh b/include/Sacrifice/UserHooksFactory.hh
index 04b105b..19f2b4f 100644
--- a/include/Sacrifice/UserHooksFactory.hh
+++ b/include/Sacrifice/UserHooksFactory.hh
@@ -12,7 +12,7 @@
 
 namespace Sacrifice{
 
-  using Pythia8::UserHooks;
+  using Pythia8::UserHooksPtr;
   using std::string;
   using std::map;
 
@@ -21,7 +21,7 @@ namespace Sacrifice{
 
   public:
 
-    static UserHooks* create(const string &hookName);
+    static UserHooksPtr create(const string &hookName);
 
     /**
      *  Loads a library of UserHooks
@@ -39,7 +39,7 @@ namespace Sacrifice{
 
     class ICreator{
     public:
-      virtual UserHooks *create() const = 0;
+      virtual UserHooksPtr create() const = 0;
       virtual ~ICreator(){};
     };
 
@@ -61,8 +61,8 @@ namespace Sacrifice{
         }
       }
 
-      UserHooks *create()const{
-        return new T;
+      UserHooksPtr create()const{
+        return std::make_shared<T>();
       }
 
     private:
diff --git a/src/UserHooksFactory.cxx b/src/UserHooksFactory.cxx
index 84a485b..5274119 100644
--- a/src/UserHooksFactory.cxx
+++ b/src/UserHooksFactory.cxx
@@ -11,7 +11,7 @@ namespace Sacrifice{
   using std::ifstream;
 
   //////////////////////////////////////////////////////////////////////////////
-  UserHooks *UserHooksFactory::create(const string &name){
+  UserHooksPtr UserHooksFactory::create(const string &name){
     map<string, const ICreator*>::const_iterator it = s_creators().find(name);
     if(it == s_creators().end()){
       //eek!