diff --git a/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithBufferStorage.cpp b/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithBufferStorage.cpp
index 74d113fb..32a02f28 100644
--- a/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithBufferStorage.cpp
+++ b/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithBufferStorage.cpp
@@ -31,7 +31,7 @@ void ColorBufferReaderWithBufferStorage::_initBuffers()
 	for (u32 index = 0; index < m_numPBO; ++index) {
 		m_bindBuffer->bind(Parameter(GL_PIXEL_PACK_BUFFER), ObjectHandle(m_PBO[index]));
 		m_fence[index] = 0;
-		glBufferStorage(GL_PIXEL_PACK_BUFFER, m_pTexture->textureBytes, nullptr, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
+		glBufferStorage(GL_PIXEL_PACK_BUFFER, m_pTexture->textureBytes, nullptr, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT | GL_CLIENT_STORAGE_BIT);
 		m_PBOData[index] = glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0, m_pTexture->textureBytes, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
 	}