diff --git a/api/boinc_api.C b/api/boinc_api.C
index e249bcda7e..8b41cf042a 100644
--- a/api/boinc_api.C
+++ b/api/boinc_api.C
@@ -80,6 +80,7 @@ static	double	      last_wu_cpu_time;
 static	bool	      standalone          = false;
 static	double	      initial_wu_cpu_time;
 static	bool	      have_new_trickle_up = false;
+static bool have_trickle_down = false;
 static double seconds_until_heartbeat_giveup;
 static bool heartbeat_active;   // if false, suppress heartbeat mechanism
 
@@ -321,6 +322,7 @@ static void handle_core_app_msgs() {
         heartbeat_active = false;
     }
     if (match_tag(msg_buf, "<have_trickle_down/>")) {
+        have_trickle_down = true;
     }
 }
 
@@ -501,3 +503,18 @@ int boinc_fraction_done(double x) {
     fraction_done = x;
     return 0;
 }
+
+bool boinc_receive_trickle_down(char* buf, int len) {
+    std::string filename;
+    if (have_trickle_down) {
+        DirScanner dirscan(".");
+        while (dirscan.scan(filename)) {
+            if (strstr(filename.c_str(), "trickle_down")) {
+                strncpy(buf, filename.c_str(), len);
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
diff --git a/checkin_notes b/checkin_notes
index 978d539982..67f124f802 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -14444,13 +14444,17 @@ Daniel 2004-07-01
 David  1 July 2004
     - trickle message support:
         - core client: send <have_trickle_down> message to app when appropriate
+		- boinc_api: implement boinc_receive_trickle_down()
     - blind attempt to fix HTTP auth crash:
         check for empty URL on redirect
         
+	api/
+		boinc_api.C
     client/
         app.C,h
         cs_trickle.C
         hostinfo_unix.C
         http.C
     lib/
+		app_ipc.h
         error_numbers.h
diff --git a/lib/app_ipc.h b/lib/app_ipc.h
index 9553178dec..23f0e1f69b 100755
--- a/lib/app_ipc.h
+++ b/lib/app_ipc.h
@@ -135,7 +135,7 @@ public:
 //
 struct APP_INIT_DATA {
     char app_name[256];
-    char project_preferences[4096];
+    char project_preferences[65536];
     char user_name[256];
     char team_name[256];
     char project_dir[256];