diff --git a/doc/Doxyfiles/auto_Doxyfile b/doc/Doxyfiles/auto_Doxyfile
index a89c0a1ab..75b09d559 100644
--- a/doc/Doxyfiles/auto_Doxyfile
+++ b/doc/Doxyfiles/auto_Doxyfile
@@ -323,6 +323,7 @@ INPUT                  = $(OSGHOME)/include/osg \
                          $(OSGHOME)/include/osgIntrospection \
                          $(OSGHOME)/include/osgParticle \
                          $(OSGHOME)/include/osgViewer \
+                         $(OSGHOME)/include/osgWidget \
                          $(OSGHOME)/include/osgShadow \
                          $(OSGHOME)/include/osgManipulator \
                          $(OSGHOME)/include/osgSim \
diff --git a/doc/Doxyfiles/core_Doxyfile b/doc/Doxyfiles/core_Doxyfile
index d8ae05136..d573ed45e 100644
--- a/doc/Doxyfiles/core_Doxyfile
+++ b/doc/Doxyfiles/core_Doxyfile
@@ -398,6 +398,7 @@ INPUT                  = $(OSGHOME)/include/osg \
                          $(OSGHOME)/include/osgIntrospection \
                          $(OSGHOME)/include/osgParticle \
                          $(OSGHOME)/include/osgViewer \
+                         $(OSGHOME)/include/osgWidget \
                          $(OSGHOME)/include/osgManipulator \
                          $(OSGHOME)/include/osgShadow \
                          $(OSGHOME)/include/osgSim \
diff --git a/doc/Doxyfiles/doxyfile.cmake b/doc/Doxyfiles/doxyfile.cmake
index c1c254e65..2f7a4be15 100644
--- a/doc/Doxyfiles/doxyfile.cmake
+++ b/doc/Doxyfiles/doxyfile.cmake
@@ -398,6 +398,7 @@ INPUT                  = ${OpenSceneGraph_SOURCE_DIR}/include/osg \
                          ${OpenSceneGraph_SOURCE_DIR}/include/osgIntrospection \
                          ${OpenSceneGraph_SOURCE_DIR}/include/osgParticle \
                          ${OpenSceneGraph_SOURCE_DIR}/include/osgViewer \
+                         ${OpenSceneGraph_SOURCE_DIR}/include/osgWidget \
                          ${OpenSceneGraph_SOURCE_DIR}/include/osgManipulator \
                          ${OpenSceneGraph_SOURCE_DIR}/include/osgShadow \
                          ${OpenSceneGraph_SOURCE_DIR}/include/osgSim \