diff --git a/src/Mixer.cpp b/src/Mixer.cpp
index b5155bb..50a5ab0 100644
--- a/src/Mixer.cpp
+++ b/src/Mixer.cpp
@@ -531,7 +531,7 @@ bool Mixer::recreateSource(Source *s)
 
     // actually create the source with SessionLoader using xml description
     SessionLoader loader( session_ );
-    Source *replacement = loader.createSource(sourceNode, SessionLoader::DUPLICATE); // not clone
+    Source *replacement = loader.createSource(sourceNode, SessionLoader::REPLACE); // not clone
     if (replacement == nullptr) {
         g_printerr("replacement failed \n");
         return false;
@@ -1543,11 +1543,15 @@ void Mixer::paste(const std::string& clipboard)
 
         for( ; sourceNode ; sourceNode = sourceNode->NextSiblingElement())
         {
-            Source *s = loader.createSource(sourceNode);
+            Source *s = loader.createSource(sourceNode, SessionLoader::DUPLICATE);
             if (s) {
-                // Add source to Session
-                session_->addSource(s);
-                // Add source to Mixer
+//                // avoid name duplicates
+//                renameSource(s);
+//                // Add source to Session
+//                session_->addSource(s);
+//                // Add source to Mixer
+//                attach(s);
+
                 addSource(s);
             }
         }
diff --git a/src/SessionCreator.cpp b/src/SessionCreator.cpp
index 1d32fae..82c9514 100644
--- a/src/SessionCreator.cpp
+++ b/src/SessionCreator.cpp
@@ -22,8 +22,6 @@
 #include "Log.h"
 #include "defines.h"
 #include "Scene.h"
-#include "Primitives.h"
-#include "Mesh.h"
 #include "Source.h"
 #include "SourceCallback.h"
 #include "CloneSource.h"
@@ -551,14 +549,17 @@ Source *SessionLoader::createSource(tinyxml2::XMLElement *sourceNode, Mode mode)
     uint64_t id__ = 0;
     xmlCurrent_->QueryUnsigned64Attribute("id", &id__);
 
-    // check if a source with the given id exists in the session
+    // for CLONE, find the source with the given id in the session
     SourceList::iterator sit = session_->end();
-    if (mode == CLONE) {
+    if (mode == CLONE)
         sit = session_->find(id__);
-    }
 
     // no source with this id exists or Mode DUPLICATE
     if ( sit == session_->end() ) {
+        // for DUPLICATE, a new id should be given
+        if (mode == DUPLICATE)
+            id__ = 0;
+
         // create a new source depending on type
         const char *pType = xmlCurrent_->Attribute("type");
         if (pType) {
@@ -619,8 +620,7 @@ Source *SessionLoader::createSource(tinyxml2::XMLElement *sourceNode, Mode mode)
     // apply config to source
     if (load_source) {
         load_source->accept(*this);
-        // increment depth for clones (avoid supperposition)
-        if (is_clone)
+        if (mode != REPLACE)
             load_source->group(View::LAYER)->translation_.z += 0.2f;
     }
 
diff --git a/src/SessionCreator.h b/src/SessionCreator.h
index 60c28ee..fce9c01 100644
--- a/src/SessionCreator.h
+++ b/src/SessionCreator.h
@@ -25,6 +25,7 @@ public:
 
     typedef enum {
         CLONE,
+        REPLACE,
         DUPLICATE
     } Mode;
     Source *createSource(tinyxml2::XMLElement *sourceNode, Mode mode = CLONE);