diff --git a/checkin_notes b/checkin_notes
index b78763de22..a359d5e520 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -3919,3 +3919,8 @@ David  18 May 2012
 
     sched/
         sched_array.cpp
+
+David  18 May 2012
+    - vboxwrapper: don't run headful if client is sandboxed (it won't work).
+    samples/vboxwrapper/
+        vboxwrapper.cpp
diff --git a/samples/vboxwrapper/vboxwrapper.cpp b/samples/vboxwrapper/vboxwrapper.cpp
index 6acc4eaf79..ebde2d58d3 100644
--- a/samples/vboxwrapper/vboxwrapper.cpp
+++ b/samples/vboxwrapper/vboxwrapper.cpp
@@ -433,7 +433,7 @@ int main(int argc, char** argv) {
         vm.vm_cpu_count = "1";
     }
 
-    if (aid.vbox_window) {
+    if (aid.vbox_window && !aid.using_sandbox) {
         vm.headless = false;
     }