diff --git a/src/cache.c b/src/cache.c
index d736969..ac4c682 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -1272,7 +1272,7 @@
 	unsigned int max, total;
 	uint32_t blksz;
 
-	max = htx_get_max_blksz(htx, channel_htx_recv_max(si_ic(appctx->owner), htx));
+	max = htx_get_max_blksz(htx, channel_htx_recv_max(si_ic(cs_si(appctx->owner)), htx));
 	if (!max)
 		return 0;
 	blksz = ((type == HTX_BLK_HDR || type == HTX_BLK_TLR)
@@ -1315,7 +1315,7 @@
 	unsigned int max, total, rem_data;
 	uint32_t blksz;
 
-	max = htx_get_max_blksz(htx, channel_htx_recv_max(si_ic(appctx->owner), htx));
+	max = htx_get_max_blksz(htx, channel_htx_recv_max(si_ic(cs_si(appctx->owner)), htx));
 	if (!max)
 		return 0;
 
@@ -1429,7 +1429,7 @@
 {
 	struct cache_entry *cache_ptr = appctx->ctx.cache.entry;
 	struct shared_block *first = block_ptr(cache_ptr);
-	struct stream_interface *si = appctx->owner;
+	struct stream_interface *si = cs_si(appctx->owner);
 	struct channel *req = si_oc(si);
 	struct channel *res = si_ic(si);
 	struct htx *req_htx, *res_htx;
@@ -2563,7 +2563,7 @@
 static int cli_io_handler_show_cache(struct appctx *appctx)
 {
 	struct cache* cache = appctx->ctx.cli.p0;
-	struct stream_interface *si = appctx->owner;
+	struct stream_interface *si = cs_si(appctx->owner);
 
 	if (cache == NULL) {
 		cache = LIST_ELEM((caches).n, typeof(struct cache *), list);