diff --git a/testing/tests/ipv6/host2host-ikev1/test.conf b/testing/tests/ipv6/host2host-ikev1/test.conf
index cf2e704fd..6ab5b8a96 100644
--- a/testing/tests/ipv6/host2host-ikev1/test.conf
+++ b/testing/tests/ipv6/host2host-ikev1/test.conf
@@ -9,7 +9,7 @@ UMLHOSTS="moon winnetou sun"
  
 # Corresponding block diagram
 #
-DIAGRAM="m-w-s.png"
+DIAGRAM="m-w-s-ip6.png"
 
 # UML instances on which tcpdump is to be started
 #
diff --git a/testing/tests/ipv6/host2host-ikev2/test.conf b/testing/tests/ipv6/host2host-ikev2/test.conf
index cf2e704fd..6ab5b8a96 100644
--- a/testing/tests/ipv6/host2host-ikev2/test.conf
+++ b/testing/tests/ipv6/host2host-ikev2/test.conf
@@ -9,7 +9,7 @@ UMLHOSTS="moon winnetou sun"
  
 # Corresponding block diagram
 #
-DIAGRAM="m-w-s.png"
+DIAGRAM="m-w-s-ip6.png"
 
 # UML instances on which tcpdump is to be started
 #
diff --git a/testing/tests/ipv6/net2net-ikev1/test.conf b/testing/tests/ipv6/net2net-ikev1/test.conf
index 9ebb969be..991d884db 100644
--- a/testing/tests/ipv6/net2net-ikev1/test.conf
+++ b/testing/tests/ipv6/net2net-ikev1/test.conf
@@ -9,7 +9,7 @@ UMLHOSTS="alice moon winnetou sun bob"
  
 # Corresponding block diagram
 #
-DIAGRAM="a-m-w-s-b.png"
+DIAGRAM="a-m-w-s-b-ip6.png"
 
 # UML instances on which tcpdump is to be started
 #
diff --git a/testing/tests/ipv6/net2net-ikev2/test.conf b/testing/tests/ipv6/net2net-ikev2/test.conf
index 9ebb969be..991d884db 100644
--- a/testing/tests/ipv6/net2net-ikev2/test.conf
+++ b/testing/tests/ipv6/net2net-ikev2/test.conf
@@ -9,7 +9,7 @@ UMLHOSTS="alice moon winnetou sun bob"
  
 # Corresponding block diagram
 #
-DIAGRAM="a-m-w-s-b.png"
+DIAGRAM="a-m-w-s-b-ip6.png"
 
 # UML instances on which tcpdump is to be started
 #
diff --git a/testing/tests/ipv6/rw-ikev1/test.conf b/testing/tests/ipv6/rw-ikev1/test.conf
index 9cd583b16..bce9814db 100644
--- a/testing/tests/ipv6/rw-ikev1/test.conf
+++ b/testing/tests/ipv6/rw-ikev1/test.conf
@@ -9,7 +9,7 @@ UMLHOSTS="alice moon carol winnetou"
 
 # Corresponding block diagram
 #
-DIAGRAM="a-m-c-w.png"
+DIAGRAM="a-m-c-w-ip6.png"
 
 # UML instances on which tcpdump is to be started
 #
diff --git a/testing/tests/ipv6/rw-ikev2/test.conf b/testing/tests/ipv6/rw-ikev2/test.conf
index 70416826e..80cf5e3a1 100644
--- a/testing/tests/ipv6/rw-ikev2/test.conf
+++ b/testing/tests/ipv6/rw-ikev2/test.conf
@@ -9,7 +9,7 @@ UMLHOSTS="alice moon carol winnetou dave"
 
 # Corresponding block diagram
 #
-DIAGRAM="a-m-c-w-d.png"
+DIAGRAM="a-m-c-w-d-ip6.png"
 
 # UML instances on which tcpdump is to be started
 #