diff --git a/checkin_notes b/checkin_notes
index 8ce46fff0c..e01104b14c 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -9570,3 +9570,10 @@ David  24 Nov 2008
     lib/
         gui_rpc_client.h
         gui_rpc_client_ops.cpp
+
+David  24 Nov 2008
+    - client: if an exclusive app is running, suspend network
+        as well as processing
+
+    client/
+        cs_prefs.cpp
diff --git a/client/cs_prefs.cpp b/client/cs_prefs.cpp
index 1fe81f15d0..6b2778a602 100644
--- a/client/cs_prefs.cpp
+++ b/client/cs_prefs.cpp
@@ -222,6 +222,9 @@ int CLIENT_STATE::check_suspend_network() {
     if (global_prefs.net_times.suspended()) {
         return SUSPEND_REASON_TIME_OF_DAY;
     }
+    if (active_tasks.exclusive_app_running) {
+        return SUSPEND_REASON_EXCLUSIVE_APP_RUNNING;
+    }
     return 0;
 }