Index: chan_capi.c
===================================================================
--- chan_capi.c (revision 1086)
+++ chan_capi.c (working copy)
@@ -4067,7 +4067,7 @@
                }
                memset(tmp, 0, sizeof(struct capi_pvt));
 
-               opbx_pthread_mutex_init(&(tmp->lock),NULL);
+               opbx_mutex_init(&(tmp->lock),NULL);
 
                if (i == 0) {
                        snprintf(tmp->name, sizeof(tmp->name) - 1, "%s-pseudo-D", conf->name);