diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 36493bac92346fa9378a6aa79aa5dcc92c04ed5f..44e4320ef7aa041fc0a432195e540b2256e609c0 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1360,6 +1360,10 @@ qemuTranslateDiskSourcePool(virConnectPtr conn,
         goto cleanup;
     }
 
+    VIR_FREE(def->src);
+    virDomainDiskHostDefFree(def->nhosts, def->hosts);
+    virDomainDiskAuthClear(def);
+
     switch ((enum virStoragePoolType) pooldef->type) {
     case VIR_STORAGE_POOL_DIR:
     case VIR_STORAGE_POOL_FS: