diff --git a/examples/23-vectordisplay/vectordisplay.cpp b/examples/23-vectordisplay/vectordisplay.cpp
index a769df3b..bf1c20b4 100644
--- a/examples/23-vectordisplay/vectordisplay.cpp
+++ b/examples/23-vectordisplay/vectordisplay.cpp
@@ -155,6 +155,7 @@ void VectorDisplay::endFrame()
 	BX_CHECK(m_points.size() < MAX_NUMBER_VERTICES, "");
 
 	bgfx::updateDynamicVertexBuffer(m_vertexBuffers[m_currentDrawStep]
+		, 0
 		, bgfx::copy(m_points.data(), (uint32_t)m_points.size() * sizeof(point_t) )
 	);
 	m_vertexBuffersSize[m_currentDrawStep] = (uint32_t)m_points.size();