diff --git a/checkin_notes b/checkin_notes
index 91e56f7117..b5655f86ca 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -3123,3 +3123,10 @@ Charlie 22 May 2011
         
     clientscr/
         mac_saver_module.cpp
+
+David  24 May 2011
+    - update_versions: flag main program as executable,
+        otherwise client will reject it
+
+    tools/
+        update_versions
diff --git a/tools/update_versions b/tools/update_versions
index 94819ee438..449a16844e 100755
--- a/tools/update_versions
+++ b/tools/update_versions
@@ -64,7 +64,7 @@ function file_info_xml($fd) {
     } else {
         $xml .= "    <url>$fd->url</url>\n";
     }
-    if ($fd->executable) {
+    if ($fd->executable || $fd->main_program) {
         $xml .= "    <executable/>\n";
     }
     $xml .= "    <file_signature>\n";