diff --git a/src/osgWrappers/introspection/osg/Observer.cpp b/src/osgWrappers/introspection/osg/Observer.cpp
index 839304272..fec2de543 100644
--- a/src/osgWrappers/introspection/osg/Observer.cpp
+++ b/src/osgWrappers/introspection/osg/Observer.cpp
@@ -12,6 +12,7 @@
 
 #include <OpenThreads/Mutex>
 #include <osg/Observer>
+#include <osg/Referenced>
 
 // Must undefine IN and OUT macros defined in Windows headers
 #ifdef IN
diff --git a/src/osgWrappers/introspection/osgDB/DatabasePager.cpp b/src/osgWrappers/introspection/osgDB/DatabasePager.cpp
index 07eb2b2b7..6a1fcbde6 100644
--- a/src/osgWrappers/introspection/osgDB/DatabasePager.cpp
+++ b/src/osgWrappers/introspection/osgDB/DatabasePager.cpp
@@ -546,9 +546,9 @@ BEGIN_OBJECT_REFLECTOR(osg::observer_ptr< osg::GraphicsContext >)
 	I_Constructor0(____observer_ptr,
 	               "",
 	               "");
-	I_Constructor1(IN, osg::ref_ptr< osg::GraphicsContext > &, rp,
+	I_Constructor1(IN, const osg::ref_ptr< osg::GraphicsContext > &, rp,
 	               Properties::NON_EXPLICIT,
-	               ____observer_ptr__ref_ptrT1_T__R1,
+	               ____observer_ptr__C5_ref_ptrT1_T__R1,
 	               "Create a observer_ptr from a ref_ptr. ",
 	               "");
 	I_Constructor1(IN, osg::GraphicsContext *, rp,
diff --git a/src/osgWrappers/introspection/osgWidget/Widget.cpp b/src/osgWrappers/introspection/osgWidget/Widget.cpp
index 3de377323..b0deef432 100644
--- a/src/osgWrappers/introspection/osgWidget/Widget.cpp
+++ b/src/osgWrappers/introspection/osgWidget/Widget.cpp
@@ -954,9 +954,9 @@ BEGIN_OBJECT_REFLECTOR(osg::observer_ptr< osgWidget::Widget >)
 	I_Constructor0(____observer_ptr,
 	               "",
 	               "");
-	I_Constructor1(IN, osg::ref_ptr< osgWidget::Widget > &, rp,
+	I_Constructor1(IN, const osg::ref_ptr< osgWidget::Widget > &, rp,
 	               Properties::NON_EXPLICIT,
-	               ____observer_ptr__ref_ptrT1_T__R1,
+	               ____observer_ptr__C5_ref_ptrT1_T__R1,
 	               "Create a observer_ptr from a ref_ptr. ",
 	               "");
 	I_Constructor1(IN, osgWidget::Widget *, rp,
diff --git a/src/osgWrappers/introspection/osgWidget/Window.cpp b/src/osgWrappers/introspection/osgWidget/Window.cpp
index b0d3fb667..80a62aaf3 100644
--- a/src/osgWrappers/introspection/osgWidget/Window.cpp
+++ b/src/osgWrappers/introspection/osgWidget/Window.cpp
@@ -956,9 +956,9 @@ BEGIN_OBJECT_REFLECTOR(osg::observer_ptr< osgWidget::Window >)
 	I_Constructor0(____observer_ptr,
 	               "",
 	               "");
-	I_Constructor1(IN, osg::ref_ptr< osgWidget::Window > &, rp,
+	I_Constructor1(IN, const osg::ref_ptr< osgWidget::Window > &, rp,
 	               Properties::NON_EXPLICIT,
-	               ____observer_ptr__ref_ptrT1_T__R1,
+	               ____observer_ptr__C5_ref_ptrT1_T__R1,
 	               "Create a observer_ptr from a ref_ptr. ",
 	               "");
 	I_Constructor1(IN, osgWidget::Window *, rp,