diff --git a/src/backend.c b/src/backend.c
index 627a4b2..d0d1177 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -663,6 +663,10 @@
 
 						srv = tmpsrv;
 						s->target = &srv->obj_type;
+						if (conn->flags & CO_FL_SESS_IDLE) {
+							conn->flags &= ~CO_FL_SESS_IDLE;
+							s->sess->idle_conns--;
+						}
 						goto out_ok;
 					}
 				}