diff --git a/mozilla/modules/plugin/base/src/nsPluginHostImpl.cpp b/mozilla/modules/plugin/base/src/nsPluginHostImpl.cpp
index dfe784f51b1..0bd679b342c 100644
--- a/mozilla/modules/plugin/base/src/nsPluginHostImpl.cpp
+++ b/mozilla/modules/plugin/base/src/nsPluginHostImpl.cpp
@@ -874,9 +874,9 @@ nsPluginTag::nsPluginTag(nsPluginInfo* aPluginInfo)
   mLibrary = nsnull;
   mCanUnloadLibrary = PR_TRUE;
   mEntryPoint = nsnull;
-  
+#ifdef XP_MACOSX
   mCanUnloadLibrary = !aPluginInfo->fBundle;
-  
+#endif
   mFlags = NS_PLUGIN_FLAG_ENABLED;
   mXPConnected = PR_FALSE;
 }