diff --git a/src/include/86box/video.h b/src/include/86box/video.h
index 7253e1049..513cb99ad 100644
--- a/src/include/86box/video.h
+++ b/src/include/86box/video.h
@@ -200,6 +200,9 @@ extern void	agpgart_set_gart(void *handle, uint32_t base);
 
 
 #ifdef EMU_DEVICE_H
+/* IBM XGA */
+extern void xga_device_add(void);
+
 /* IBM 8514/A and generic clones*/
 extern void ibm8514_device_add(void);