-#define IS_SPI_RELATION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SPI_RELATION_TYPE))
-#define IS_SPI_RELATION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SPI_RELATION_TYPE))
+#define SPI_IS_RELATION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SPI_RELATION_TYPE))
+#define SPI_IS_RELATION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SPI_RELATION_TYPE))