diff --git a/src/osgWrappers/osg/Vec2d.cpp b/src/osgWrappers/osg/Vec2d.cpp
index e4e6055fc..d60135bdd 100644
--- a/src/osgWrappers/osg/Vec2d.cpp
+++ b/src/osgWrappers/osg/Vec2d.cpp
@@ -9,6 +9,8 @@
 #include <osgIntrospection/TypedMethodInfo>
 #include <osgIntrospection/Attributes>
 
+#include <osg/io_utils>
+
 #include <osg/Vec2d>
 #include <osg/Vec2f>
 
diff --git a/src/osgWrappers/osg/Vec2f.cpp b/src/osgWrappers/osg/Vec2f.cpp
index 30022991f..2330b3e70 100644
--- a/src/osgWrappers/osg/Vec2f.cpp
+++ b/src/osgWrappers/osg/Vec2f.cpp
@@ -9,6 +9,8 @@
 #include <osgIntrospection/TypedMethodInfo>
 #include <osgIntrospection/Attributes>
 
+#include <osg/io_utils>
+
 #include <osg/Vec2f>
 
 TYPE_NAME_ALIAS(float, osg::Vec2f::value_type);
diff --git a/src/osgWrappers/osg/Vec3d.cpp b/src/osgWrappers/osg/Vec3d.cpp
index b45082997..838a2b0c2 100644
--- a/src/osgWrappers/osg/Vec3d.cpp
+++ b/src/osgWrappers/osg/Vec3d.cpp
@@ -9,6 +9,8 @@
 #include <osgIntrospection/TypedMethodInfo>
 #include <osgIntrospection/Attributes>
 
+#include <osg/io_utils>
+
 #include <osg/Vec2d>
 #include <osg/Vec3d>
 #include <osg/Vec3f>
diff --git a/src/osgWrappers/osg/Vec3f.cpp b/src/osgWrappers/osg/Vec3f.cpp
index 5b6b56d1d..994376685 100644
--- a/src/osgWrappers/osg/Vec3f.cpp
+++ b/src/osgWrappers/osg/Vec3f.cpp
@@ -9,6 +9,8 @@
 #include <osgIntrospection/TypedMethodInfo>
 #include <osgIntrospection/Attributes>
 
+#include <osg/io_utils>
+
 #include <osg/Vec2f>
 #include <osg/Vec3f>
 
diff --git a/src/osgWrappers/osg/Vec4d.cpp b/src/osgWrappers/osg/Vec4d.cpp
index 1e4ad1e97..295257d18 100644
--- a/src/osgWrappers/osg/Vec4d.cpp
+++ b/src/osgWrappers/osg/Vec4d.cpp
@@ -9,6 +9,8 @@
 #include <osgIntrospection/TypedMethodInfo>
 #include <osgIntrospection/Attributes>
 
+#include <osg/io_utils>
+
 #include <osg/Vec3d>
 #include <osg/Vec4d>
 #include <osg/Vec4f>
diff --git a/src/osgWrappers/osg/Vec4f.cpp b/src/osgWrappers/osg/Vec4f.cpp
index f41ed410d..fc47f32c4 100644
--- a/src/osgWrappers/osg/Vec4f.cpp
+++ b/src/osgWrappers/osg/Vec4f.cpp
@@ -9,6 +9,8 @@
 #include <osgIntrospection/TypedMethodInfo>
 #include <osgIntrospection/Attributes>
 
+#include <osg/io_utils>
+
 #include <osg/Vec3f>
 #include <osg/Vec4f>