diff --git a/libexec/pppoed/pppoed.8 b/libexec/pppoed/pppoed.8
index c54aa4643374..eedaa4a91d8d 100644
--- a/libexec/pppoed/pppoed.8
+++ b/libexec/pppoed/pppoed.8
@@ -110,10 +110,12 @@ data socket
 .Xr ng_socket 4 )
 when started.
 .Pp
-The environment variable
+The environment variables
 .Ev HISMACADDR
-is made available to the child process and is set to the MAC address of
-the peer.
+and
+.Ev ACNAME
+are made available to the child process and are set to the MAC address of
+the peer and the name of the AC respectively.
 .Pp
 Upon invocation,
 .Nm
diff --git a/libexec/pppoed/pppoed.c b/libexec/pppoed/pppoed.c
index 97d7f37e77f0..63f7325b57e1 100644
--- a/libexec/pppoed/pppoed.c
+++ b/libexec/pppoed/pppoed.c
@@ -405,6 +405,12 @@ Spawn(const char *prog, const char *acname, const char *provider,
           case NGM_PPPOE_FAIL:		msg = "FAIL";		break;
           case NGM_PPPOE_CLOSE:		msg = "CLOSE";		break;
           case NGM_PPPOE_GET_STATUS:	msg = "GET_STATUS";	break;
+          case NGM_PPPOE_ACNAME:
+            msg = "ACNAME";
+            if (setenv("ACNAME", sts->hook, 1) != 0)
+              syslog(LOG_WARNING, "setenv: cannot set ACNAME=%s: %m",
+                     sts->hook);
+            break;
           default:
             snprintf(unknown, sizeof unknown, "<%d>", (int)rep->header.cmd);
             msg = unknown;
diff --git a/usr.sbin/ppp/ether.c b/usr.sbin/ppp/ether.c
index be261da06dba..f8a3534639b4 100644
--- a/usr.sbin/ppp/ether.c
+++ b/usr.sbin/ppp/ether.c
@@ -254,6 +254,11 @@ ether_MessageIn(struct etherdevice *dev)
     case NGM_PPPOE_FAIL:	msg = "FAIL";		break;
     case NGM_PPPOE_CLOSE:	msg = "CLOSE";		break;
     case NGM_PPPOE_GET_STATUS:	msg = "GET_STATUS";	break;
+    case NGM_PPPOE_ACNAME:
+      msg = "ACNAME";
+      if (setenv("ACNAME", sts->hook, 1) != 0)
+        log_Printf(LogWARN, "setenv: cannot set ACNAME=%s: %m", sts->hook);
+      break;
     default:
       snprintf(unknown, sizeof unknown, "<%d>", (int)rep->header.cmd);
       msg = unknown;