@@ -18,20 +18,24 @@
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <gtk/gtk.h>
+#ifdef OG_GTK
+# include <gtk/gtk.h>
+#endif
 
 #import <ObjFW/ObjFW.h>
 
 @interface OGWidget: OFObject
 {
 @public
+#ifdef OG_GTK
 	GtkWidget *widget;
+#endif
 }
 
 - (void)show;
 - (void)hide;
 @end
 
 extern void og_destroy(GtkWidget*, OGWidget*);