diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index ed88f5ee4beab19bf1ad0bf8a465c815156f1817..9759911dd34e12365c0bc57e2a943d55c00a126c 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -289,7 +289,8 @@ int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len,
 void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em)
 {
 	clear_bit(EXTENT_FLAG_LOGGING, &em->flags);
-	try_merge_map(tree, em);
+	if (em->in_tree)
+		try_merge_map(tree, em);
 }
 
 /**