diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 27f6f845a2..74c233732f 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -1118,7 +1118,7 @@ virDomainDeviceInfoParseXML(virConnectPtr conn,
         }
     } else {
         virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
-                             _("No type specified for device address"));
+                             "%s", _("No type specified for device address"));
         goto cleanup;
     }
 
@@ -1136,7 +1136,7 @@ virDomainDeviceInfoParseXML(virConnectPtr conn,
     default:
         /* Should not happen */
         virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
-                             _("Unknown device address type"));
+                             "%s", _("Unknown device address type"));
         goto cleanup;
     }