diff --git a/dlls/mshtml/npplugin.c b/dlls/mshtml/npplugin.c
index 6dfb65c0a6e..309e4e0e04e 100644
--- a/dlls/mshtml/npplugin.c
+++ b/dlls/mshtml/npplugin.c
@@ -301,7 +301,8 @@ static NPError CDECL NPP_New(NPMIMEType pluginType, NPP instance, UINT16 mode, I
     }
 
     instance->pdata = container->plugin_host;
-    IOleClientSite_AddRef(&container->plugin_host->IOleClientSite_iface);
+    if(container->plugin_host)
+        IOleClientSite_AddRef(&container->plugin_host->IOleClientSite_iface);
 
     node_release(&container->element.node);
     return err;