diff --git a/RubyTest.rb b/RubyTest.rb
index 1f5b12f..b2a6808 100644
--- a/RubyTest.rb
+++ b/RubyTest.rb
@@ -18,6 +18,11 @@ module RubyTest
         Prof::cons_show("RubyTest: on_connect, " + account_name + ", " + fulljid)
     end
 
+    def self.prof_on_disconnect(account_name, fulljid)
+        Prof::cons_show("RubyTest: on_disconnect, " + account_name + ", " + fulljid)
+        Prof::log_info("RubyTest: on_disconnect, " + account_name + ", " + fulljid)
+    end
+
     def self.prof_on_message_received(jid, message)
         Prof::cons_show("RubyTest: on_message_received, " + jid + ", " + message)
         Prof::cons_alert
diff --git a/python-test.py b/python-test.py
index f45d3df..b61f902 100644
--- a/python-test.py
+++ b/python-test.py
@@ -15,6 +15,10 @@ def prof_on_start():
 def prof_on_connect(account_name, fulljid):
     prof.cons_show("python-test: on_connect, " + account_name + ", " + fulljid)
 
+def prof_on_disconnect(account_name, fulljid):
+    prof.cons_show("python-test: on_disconnect, " + account_name + ", " + fulljid)
+    prof.log_info("python-test: on_disconnect, " + account_name + ", " + fulljid)
+
 def prof_on_message_received(jid, message):
     prof.cons_show("python-test: on_message_received, " + jid + ", " + message)
     prof.cons_alert()
diff --git a/test-c-plugin/test-c-plugin.c b/test-c-plugin/test-c-plugin.c
index 6b6ca95..eca0f0a 100644
--- a/test-c-plugin/test-c-plugin.c
+++ b/test-c-plugin/test-c-plugin.c
@@ -66,6 +66,16 @@ prof_on_connect(const char * const account_name, const char * const fulljid)
     prof_cons_show(buf);
 }
 
+void
+prof_on_disconnect(const char * const account_name, const char * const fulljid)
+{
+    char *start = "c-test: on_disconnect, ";
+    char buf[strlen(start) + strlen(account_name) + 2 + strlen(fulljid) + 1];
+    sprintf(buf, "%s%s, %s", start, account_name, fulljid);
+    prof_cons_show(buf);
+    prof_log_info(buf);
+}
+
 char *
 prof_on_message_received(const char * const jid, const char *message)
 {