diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 05e8b06..d5d8541 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -535,7 +535,7 @@
 	unsigned long page_idx;
 	unsigned long combined_idx;
 	unsigned long uninitialized_var(buddy_idx);
-	struct page *buddy;
+	struct page *buddy = NULL;
 
 	if (unlikely(PageCompound(page)))
 		if (unlikely(destroy_compound_page(page, order)))