diff --git a/mm/compaction.c b/mm/compaction.c
index e5995f3..fee1118 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1200,7 +1200,7 @@
 	struct page *page;
 	const isolate_mode_t isolate_mode =
 		(sysctl_compact_unevictable_allowed ? ISOLATE_UNEVICTABLE : 0) |
-		(cc->mode == MIGRATE_ASYNC ? ISOLATE_ASYNC_MIGRATE : 0);
+		(cc->mode != MIGRATE_SYNC ? ISOLATE_ASYNC_MIGRATE : 0);
 
 	/*
 	 * Start at where we last stopped, or beginning of the zone as