diff --git a/src/Graphics/OpenGLContext/opengl_ContextImpl.cpp b/src/Graphics/OpenGLContext/opengl_ContextImpl.cpp
index 125971b7..5b08726e 100644
--- a/src/Graphics/OpenGLContext/opengl_ContextImpl.cpp
+++ b/src/Graphics/OpenGLContext/opengl_ContextImpl.cpp
@@ -33,6 +33,7 @@ void ContextImpl::init()
 		// Correct buffer target parameters, since GLES2 knows only GL_FRAMEBUFFER
 		graphics::bufferTarget::DRAW_FRAMEBUFFER = graphics::bufferTarget::FRAMEBUFFER;
 		graphics::bufferTarget::READ_FRAMEBUFFER = graphics::bufferTarget::FRAMEBUFFER;
+		graphics::internalcolorFormat::RGBA8 = graphics::InternalColorFormatParam(GL_RGBA);
 	}
 
 	if (!m_cachedFunctions)