#define GTK_TOGGLE_TOOL_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TOGGLE_TOOL_BUTTON, GtkToggleToolButton))
#define GTK_TOGGLE_TOOL_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_TOGGLE_TOOL_BUTTON, GtkToggleToolButtonClass))
#define GTK_IS_TOGGLE_TOOL_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TOGGLE_TOOL_BUTTON))
-#define GTK_IS_TOGGLE_TOOL_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), GTK_TYPE_TOGGLE_TOOL_BUTTON))
+#define GTK_IS_TOGGLE_TOOL_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TOGGLE_TOOL_BUTTON))
#define GTK_TOGGLE_TOOL_BUTTON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GTK_TYPE_TOGGLE_TOOL_BUTTON, GtkToggleToolButtonClass))
typedef struct _GtkToggleToolButton GtkToggleToolButton;