diff --git a/master/slave_config.c b/master/slave_config.c
index 005a12154ee5b990066422a257038d4f2394f0ea..2d0151a41541bd02edfab1057da7a3b81bf22a1b 100644
--- a/master/slave_config.c
+++ b/master/slave_config.c
@@ -364,6 +364,10 @@ int ec_slave_config_attach(
 	slave->config = sc;
 	sc->slave = slave;
 
+    if (sc->master->debug_level)
+        EC_DBG("Attached slave %u to config %u:%u.\n",
+                slave->ring_position, sc->alias, sc->position);
+
     ec_slave_request_state(slave, EC_SLAVE_STATE_OP);
 
 	return 0;