diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 4420445534..c1aa921d52 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -1974,6 +1974,7 @@ cleanup:
     VIR_FREE(type);
     VIR_FREE(internal);
     VIR_FREE(devaddr);
+    VIR_FREE(mode);
 
     return def;