diff --git a/CHANGES b/CHANGES
index 58bf033..47e931a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,7 +3,8 @@
 	not for IPv6 - only those prefixes explicitely marked as 'member-of: RS..'
 	will be expanded. This is due to limitation in IRRd.
 	- extended access-lists (Cisco) and route-filters (Juniper) generation
-	is supported now with new -E key. 
+	is supported now with new -E key. For Cisco ipv6 access-lists is not
+	yet supported. 
 
 0.1.4 (2008-05-30): 
 	- bugfix for juniper as-path group generation. Thanks to Alexander Shikoff.
diff --git a/bgpq3.c b/bgpq3.c
index d19a384..b190f2b 100644
--- a/bgpq3.c
+++ b/bgpq3.c
@@ -196,7 +196,8 @@ main(int argc, char* argv[])
 	if(aggregate && expander.vendor==V_JUNIPER && 
 		expander.generation==T_PREFIXLIST) { 
 		sx_report(SX_FATAL, "Sorry, aggregation (-A) does not work in"
-			" Juniper prefix-lists\n");
+			" Juniper prefix-lists\nYou can try route-filters (-E) instead"
+			" of prefix-lists (-P, default)\n");
 		exit(1);
 	};
 	if(aggregate && expander.generation<T_PREFIXLIST) { 
@@ -223,6 +224,12 @@ main(int argc, char* argv[])
 		};
 	};
 
+	if(expander.generation==T_EACL && expander.vendor==V_CISCO && 
+		expander.family==AF_INET6) { 
+		sx_report(SX_FATAL,"Sorry, ipv6 access-lists not supported for Cisco"
+			" yet.\n");
+	};
+
 
 	if(!argv[0]) usage(1);