-#define IS_SPI_IMAGE(obj) (G_TYPE_CHECK__INSTANCE_TYPE ((obj), SPI_IMAGE_TYPE))
-#define IS_SPI_IMAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SPI_IMAGE_TYPE))
+#define SPI_IS_IMAGE(obj) (G_TYPE_CHECK__INSTANCE_TYPE ((obj), SPI_IMAGE_TYPE))
+#define SPI_IS_IMAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SPI_IMAGE_TYPE))