--- a/suite/browser/browser-prefs.js
+++ b/suite/browser/browser-prefs.js
@@ -673,16 +673,17 @@ pref("dom.event.contextmenu.enabled",  t
 
 // The default for this pref reflects whether the build is capable of IPC.
 // (Turning it on in a no-IPC build will have no effect.)
 #ifdef XP_MACOSX
 // i386 IPC preferences
 pref("dom.ipc.plugins.enabled.i386", false);
 pref("dom.ipc.plugins.enabled.i386.flash player.plugin", true);
 pref("dom.ipc.plugins.enabled.i386.javaplugin2_npapi.plugin", true);
+pref("dom.ipc.plugins.enabled.i386.javaappletplugin.plugin", true);
 // x86_64 ipc preferences
 pref("dom.ipc.plugins.enabled.x86_64", true);
 #elifdef MOZ_IPC
 pref("dom.ipc.plugins.enabled", true);
 #else
 pref("dom.ipc.plugins.enabled", false);
 #endif