diff --git a/src/conf/domain_addr.c b/src/conf/domain_addr.c
index c533edb4ff..c9cddaca7b 100644
--- a/src/conf/domain_addr.c
+++ b/src/conf/domain_addr.c
@@ -1360,6 +1360,7 @@ virDomainUSBAddressHubFree(virDomainUSBAddressHubPtr hub)
 
     for (i = 0; i < hub->nports; i++)
         virDomainUSBAddressHubFree(hub->ports[i]);
+    VIR_FREE(hub->ports);
     virBitmapFree(hub->portmap);
     VIR_FREE(hub);
 }