diff --git a/src/mesa/drivers/dri/common/drirenderbuffer.c b/src/mesa/drivers/dri/common/drirenderbuffer.c
index 680730ef7cf..cbd61283c4c 100644
--- a/src/mesa/drivers/dri/common/drirenderbuffer.c
+++ b/src/mesa/drivers/dri/common/drirenderbuffer.c
@@ -56,6 +56,8 @@ driNewRenderbuffer(GLenum format, GLvoid *addr,
    driRenderbuffer *drb;
 
    assert(format == GL_RGBA ||
+          format == GL_RGB5 ||
+          format == GL_RGBA8 ||
           format == GL_DEPTH_COMPONENT16 ||
           format == GL_DEPTH_COMPONENT24 ||
           format == GL_DEPTH_COMPONENT32 ||