diff --git a/apps/opencs/model/filter/binarynode.cpp b/apps/opencs/model/filter/binarynode.cpp
index 0e86930dbb..c0c7fde378 100644
--- a/apps/opencs/model/filter/binarynode.cpp
+++ b/apps/opencs/model/filter/binarynode.cpp
@@ -1,7 +1,7 @@
 
 #include "binarynode.hpp"
 
-CSMFilter::BinaryNode::BinaryNode (std::auto_ptr<Node> left, std::auto_ptr<Node> right)
+CSMFilter::BinaryNode::BinaryNode (boost::shared_ptr<Node> left, boost::shared_ptr<Node> right)
 : mLeft (left), mRight (right)
 {}
 
diff --git a/apps/opencs/model/filter/binarynode.hpp b/apps/opencs/model/filter/binarynode.hpp
index 18cdad2a9f..c2b4041d25 100644
--- a/apps/opencs/model/filter/binarynode.hpp
+++ b/apps/opencs/model/filter/binarynode.hpp
@@ -1,7 +1,7 @@
 #ifndef CSM_FILTER_BINARYNODE_H
 #define CSM_FILTER_BINARYNODE_H
 
-#include <memory>
+#include <boost/shared_ptr.hpp>
 
 #include "node.hpp"
 
@@ -9,12 +9,12 @@ namespace CSMFilter
 {
     class BinaryNode : public Node
     {
-            std::auto_ptr<Node> mLeft;
-            std::auto_ptr<Node> mRight;
+            boost::shared_ptr<Node> mLeft;
+            boost::shared_ptr<Node> mRight;
 
         public:
 
-            BinaryNode (std::auto_ptr<Node> left, std::auto_ptr<Node> right);
+            BinaryNode (boost::shared_ptr<Node> left, boost::shared_ptr<Node> right);
 
             const Node& getLeft() const;
 
diff --git a/apps/opencs/model/filter/unarynode.cpp b/apps/opencs/model/filter/unarynode.cpp
index f9cc3fdc83..490d953769 100644
--- a/apps/opencs/model/filter/unarynode.cpp
+++ b/apps/opencs/model/filter/unarynode.cpp
@@ -1,7 +1,7 @@
 
 #include "unarynode.hpp"
 
-CSMFilter::UnaryNode::UnaryNode (std::auto_ptr<Node> child) : mChild (child) {}
+CSMFilter::UnaryNode::UnaryNode (boost::shared_ptr<Node> child) : mChild (child) {}
 
 const CSMFilter::Node& CSMFilter::UnaryNode::getChild() const
 {
diff --git a/apps/opencs/model/filter/unarynode.hpp b/apps/opencs/model/filter/unarynode.hpp
index 6ecad1192e..4e1fb0cc29 100644
--- a/apps/opencs/model/filter/unarynode.hpp
+++ b/apps/opencs/model/filter/unarynode.hpp
@@ -1,7 +1,7 @@
 #ifndef CSM_FILTER_UNARIYNODE_H
 #define CSM_FILTER_UNARIYNODE_H
 
-#include <memory>
+#include <boost/shared_ptr.hpp>
 
 #include "node.hpp"
 
@@ -9,11 +9,11 @@ namespace CSMFilter
 {
     class UnaryNode : public Node
     {
-            std::auto_ptr<Node> mChild;
+            boost::shared_ptr<Node> mChild;
 
         public:
 
-            UnaryNode (std::auto_ptr<Node> child);
+            UnaryNode (boost::shared_ptr<Node> child);
 
             const Node& getChild() const;