diff --git a/headers/private/media/MediaMisc.h b/headers/private/media/MediaMisc.h
index 239177013b..87a66a61ce 100644
--- a/headers/private/media/MediaMisc.h
+++ b/headers/private/media/MediaMisc.h
@@ -13,4 +13,6 @@
 #define IS_INVALID_SOURCE(_src)			((_src).port <= 0)
 #define IS_INVALID_DESTINATION(_dest) 	((_dest).port <= 0)
 
+#define ROUND_UP_TO_PAGE(size)			(((size) + B_PAGE_SIZE - 1) & ~(B_PAGE_SIZE - 1))
+
 #endif