diff --git a/alib2std/src/forward_tree b/alib2std/src/forward_tree
new file mode 100644
index 0000000000000000000000000000000000000000..719b1e144ad1c550b3b01d4d112d8b4c33d682c4
--- /dev/null
+++ b/alib2std/src/forward_tree
@@ -0,0 +1,13 @@
+#ifndef __TREE_HEADER_WRAPPER_
+#define __TREE_HEADER_WRAPPER_
+
+#include <memory>
+#include <vector>
+#include <deque>
+#include <tuple>
+#include "iterator"
+#include "extensions/tree_base.hpp"
+#include "extensions/forward_tree.hpp"
+
+#endif /* __TREE_HEADER_WRAPPER */
+
diff --git a/alib2std/src/tree b/alib2std/src/tree
index bfe92c5dab548480b7bce4c2a09c30fbf0bae4b5..d4dac98ba15734d8b1346fd6f3b49397ae2db558 100644
--- a/alib2std/src/tree
+++ b/alib2std/src/tree
@@ -8,7 +8,6 @@
 #include "iterator"
 #include "extensions/tree_base.hpp"
 #include "extensions/tree.hpp"
-#include "extensions/forward_tree.hpp"
 
 #endif /* __TREE_HEADER_WRAPPER */
 
diff --git a/alib2std/test-src/extensions/ForwardTreeTest.h b/alib2std/test-src/extensions/ForwardTreeTest.h
index 77a6fdeb6f14a05fd63d105e6cdac1a60ec812b8..b65bc367e79d7bf0643681ec61123215ce2ff872 100644
--- a/alib2std/test-src/extensions/ForwardTreeTest.h
+++ b/alib2std/test-src/extensions/ForwardTreeTest.h
@@ -3,7 +3,7 @@
 
 #include <cppunit/extensions/HelperMacros.h>
 #include <compare>
-#include <tree>
+#include <forward_tree>
 
 class ForwardTreeTest : public CppUnit::TestFixture {
 	CPPUNIT_TEST_SUITE ( ForwardTreeTest );