diff --git a/mozilla/modules/plugin/src/npglue.cpp b/mozilla/modules/plugin/src/npglue.cpp
index 28e3760b1b6..b07da97e09b 100644
--- a/mozilla/modules/plugin/src/npglue.cpp
+++ b/mozilla/modules/plugin/src/npglue.cpp
@@ -4012,6 +4012,12 @@ NPL_Shutdown()
             instance=instance->next;
             np_delete_instance(di);
         }
+        
+        /* beard: since we initialize refs to 1, we have to reduce it to zero here. */
+        if (dh->refs > 0) {
+            dh->refs--;
+		    np_UnloadPluginClass(dh);
+		}
     }
 }