diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 795739be6153ef401a5fb2f4dedec6eefb162379..68f024fd2ee836f83fbfe4992d66fe5805f7d103 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -5396,7 +5396,7 @@ virDomainFSDefParseXML(xmlNodePtr node,
                        xmlStrEqual(cur->name, BAD_CAST "target")) {
                 target = virXMLPropString(cur, "dir");
             } else if (xmlStrEqual(cur->name, BAD_CAST "readonly")) {
-                def->readonly = 1;
+                def->readonly = true;
             } else if (!fsdriver && xmlStrEqual(cur->name, BAD_CAST "driver")) {
                 fsdriver = virXMLPropString(cur, "type");
                 wrpolicy = virXMLPropString(cur, "wrpolicy");
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index a89aa5d33f3950fcba540e6b751ac637d168eaaa..3ab0f15dc12bbeb2ab61dfeeaf484bb189ec4fca 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -799,7 +799,7 @@ struct _virDomainFSDef {
     unsigned long long usage;
     char *src;
     char *dst;
-    unsigned int readonly : 1;
+    bool readonly;
     virDomainDeviceInfo info;
     unsigned long long space_hard_limit; /* in bytes */
     unsigned long long space_soft_limit; /* in bytes */