1 files changed, 6 insertions, 0 deletions
diff --git a/src/command/cmd_funcs.c b/src/command/cmd_funcs.c
index ede549b4..16f25abd 100644
--- a/src/command/cmd_funcs.c
+++ b/src/command/cmd_funcs.c
@@ -4524,6 +4524,12 @@ cmd_lastactivity(ProfWin *window, const char *const command, gchar **args)
 {
     if ((g_strcmp0(args[0], "on") == 0) || (g_strcmp0(args[0], "off") == 0)) {
         _cmd_set_boolean_preference(args[0], command, "Last activity", PREF_LASTACTIVITY);
+        if (g_strcmp0(args[0], "on") == 0) {
+            caps_add_feature(XMPP_FEATURE_LASTACTIVITY);
+        }
+        if (g_strcmp0(args[0], "off") == 0) {
+            caps_remove_feature(XMPP_FEATURE_LASTACTIVITY);
+        }
         return TRUE;
     }