diff --git a/src/xprt_quic.c b/src/xprt_quic.c
index 33e5b14..9639e04 100644
--- a/src/xprt_quic.c
+++ b/src/xprt_quic.c
@@ -2369,7 +2369,7 @@
 			if (next_node->last > new_node->last)
 				new_node->last = next_node->last;
 			eb64_delete(next);
-			free(next_node);
+			pool_free(pool_head_quic_arng, next_node);
 			/* Decrement the size of these ranges. */
 			arngs->sz--;
 		}