--- a/lib/slave_config.c	Sun Jun 06 21:32:50 2010 +0200
+++ b/lib/slave_config.c	Sun Jun 06 22:40:22 2010 +0200
@@ -473,12 +473,13 @@
 /*****************************************************************************/
 
 int ecrt_slave_config_idn(ec_slave_config_t *sc, uint16_t idn,
-        const uint8_t *data, size_t size)
+        ec_al_state_t state, const uint8_t *data, size_t size)
 {
     ec_ioctl_sc_idn_t io;
 
     io.config_index = sc->index;
     io.idn = idn;
+    io.state = state;
     io.data = data;
     io.size = size;