diff --git a/src/xenapi/xenapi_driver.c b/src/xenapi/xenapi_driver.c
index bca19af42d..4b522c050b 100644
--- a/src/xenapi/xenapi_driver.c
+++ b/src/xenapi/xenapi_driver.c
@@ -45,7 +45,7 @@
 
 static int
 xenapiDomainDeviceDefPostParse(virDomainDeviceDefPtr dev,
-                               virDomainDefPtr def,
+                               const virDomainDef *def,
                                virCapsPtr caps ATTRIBUTE_UNUSED,
                                void *opaque ATTRIBUTE_UNUSED)
 {