diff --git a/include/osg/GLBeginEndAdapter b/include/osg/GLBeginEndAdapter
index a343a81d8..c3abbef88 100644
--- a/include/osg/GLBeginEndAdapter
+++ b/include/osg/GLBeginEndAdapter
@@ -74,6 +74,7 @@ class OSG_EXPORT GLBeginEndAdapter
             _color.set(red,green,blue,alpha);
         }
 
+        void Color3fv(const GLfloat* c) { Color4f(c[0], c[1], c[2], 1); }
         void Color4fv(const GLfloat* c) { Color4f(c[0], c[1], c[2], c[3]); }
         void Color4ubv(const GLubyte* c) { const float div = 1.0f/255.0f; Color4f(float(c[0])*div, float(c[1])*div, float(c[2])*div, float(c[3])*div); }
 
diff --git a/src/osg/ArrayDispatchers.cpp b/src/osg/ArrayDispatchers.cpp
index 087b069aa..0b2c43fdf 100644
--- a/src/osg/ArrayDispatchers.cpp
+++ b/src/osg/ArrayDispatchers.cpp
@@ -432,6 +432,7 @@ void ArrayDispatchers::init()
     _vertexDispatchers->assignGLBeginEnd<GLdouble>(Array::Vec3dArrayType, &GLBeginEndAdapter::Vertex3dv, 3);
     _normalDispatchers->assignGLBeginEnd<GLfloat>(Array::Vec3ArrayType, &GLBeginEndAdapter::Normal3fv, 3);
     _colorDispatchers->assignGLBeginEnd<GLubyte>(Array::Vec4ubArrayType, &GLBeginEndAdapter::Color4ubv, 4);
+    _colorDispatchers->assignGLBeginEnd<GLfloat>(Array::Vec3ArrayType, &GLBeginEndAdapter::Color3fv, 3);
     _colorDispatchers->assignGLBeginEnd<GLfloat>(Array::Vec4ArrayType, &GLBeginEndAdapter::Color4fv, 4);
 
 #ifdef OSG_GL_VERTEX_FUNCS_AVAILABLE