diff --git a/src/mux_fcgi.c b/src/mux_fcgi.c
index 3fb85b571..38c2bfd64 100644
--- a/src/mux_fcgi.c
+++ b/src/mux_fcgi.c
@@ -3468,7 +3468,7 @@ static void fcgi_detach(struct conn_stream *cs)
 				if (eb_is_empty(&fconn->streams_by_id)) {
 					if (!srv_add_to_idle_list(objt_server(fconn->conn->target), fconn->conn)) {
 						/* The server doesn't want it, let's kill the connection right away */
-						fconn->conn->mux->destroy(fconn->conn);
+						fconn->conn->mux->destroy(fconn);
 						TRACE_DEVEL("outgoing connection killed", FCGI_EV_STRM_END|FCGI_EV_FCONN_ERR);
 					}
 					TRACE_DEVEL("reusable idle connection", FCGI_EV_STRM_END, fconn->conn);
diff --git a/src/mux_h1.c b/src/mux_h1.c
index 212a279c6..dcba3dfb8 100644
--- a/src/mux_h1.c
+++ b/src/mux_h1.c
@@ -2396,7 +2396,7 @@ static void h1_detach(struct conn_stream *cs)
 				h1c->conn->owner = NULL;
 				if (!srv_add_to_idle_list(objt_server(h1c->conn->target), h1c->conn)) {
 					/* The server doesn't want it, let's kill the connection right away */
-					h1c->conn->mux->destroy(h1c->conn);
+					h1c->conn->mux->destroy(h1c);
 					TRACE_DEVEL("outgoing connection killed", H1_EV_STRM_END|H1_EV_H1C_END);
 					goto end;
 				}
diff --git a/src/mux_h2.c b/src/mux_h2.c
index 6b6f42ea3..d726944a3 100644
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -3887,7 +3887,7 @@ static void h2_detach(struct conn_stream *cs)
 					if (eb_is_empty(&h2c->streams_by_id)) {
 						if (!srv_add_to_idle_list(objt_server(h2c->conn->target), h2c->conn))
 							/* The server doesn't want it, let's kill the connection right away */
-							h2c->conn->mux->destroy(h2c->conn);
+							h2c->conn->mux->destroy(h2c);
 						TRACE_DEVEL("leaving on error after killing outgoing connection", H2_EV_STRM_END|H2_EV_H2C_ERR);
 						return;
 					}