diff --git a/src/vbox/vbox_driver.c b/src/vbox/vbox_driver.c
index 743a488132..f26827faf5 100644
--- a/src/vbox/vbox_driver.c
+++ b/src/vbox/vbox_driver.c
@@ -152,7 +152,7 @@ int vboxNetworkRegister(void)
     if (VBoxCGlueInit(&uVersion) == 0)
         networkDriver = vboxGetNetworkDriver(uVersion);
 
-    if (virRegisterNetworkDriver(networkDriver) < 0)
+    if (networkDriver && virRegisterNetworkDriver(networkDriver) < 0)
         return -1;
     return 0;
 }