diff --git a/lib/domain-desc.ts b/lib/domain-desc.ts
index 4e7e865..14d3676 100644
--- a/lib/domain-desc.ts
+++ b/lib/domain-desc.ts
@@ -60,10 +60,11 @@ export declare interface DomainDiskDesc {
  */
 export declare interface DomainInterfaceDesc {
 
-    type?: "network";
+    type?: "network" | "bridge";
 
     source?: {
         network?: string;
+        bridge?: string;
     };
 
     mac?: {
diff --git a/lib/domain-xml.ts b/lib/domain-xml.ts
index 83d257b..0ccaf52 100644
--- a/lib/domain-xml.ts
+++ b/lib/domain-xml.ts
@@ -145,6 +145,9 @@ export const domainInterfaceXml = {
             if (interfaceDesc.source.network) {
                 iface.source.$.network = interfaceDesc.source.network;
             }
+            if (interfaceDesc.source.bridge){
+                iface.source.$.bridge = interfaceDesc.source.bridge;
+            }
         }
 
         if (interfaceDesc.mac) {