diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 387825ac9f..f6814058f9 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -4171,7 +4171,7 @@ virDomainObjGetOneDef(virDomainObj *vm,
 }
 
 virDomainDeviceInfo *
-virDomainDeviceGetInfo(virDomainDeviceDef *device)
+virDomainDeviceGetInfo(const virDomainDeviceDef *device)
 {
     switch ((virDomainDeviceType) device->type) {
     case VIR_DOMAIN_DEVICE_DISK:
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 79668d2293..c1871b1757 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -3340,7 +3340,7 @@ virDomainDeviceDef *virDomainDeviceDefCopy(virDomainDeviceDef *src,
                                            const virDomainDef *def,
                                            virDomainXMLOption *xmlopt,
                                            void *parseOpaque);
-virDomainDeviceInfo *virDomainDeviceGetInfo(virDomainDeviceDef *device);
+virDomainDeviceInfo *virDomainDeviceGetInfo(const virDomainDeviceDef *device);
 void virDomainDeviceSetData(virDomainDeviceDef *device,
                             void *devicedata);
 void virDomainTPMDefFree(virDomainTPMDef *def);
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 45a9a9bb19..fabf013b40 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -1345,7 +1345,7 @@ qemuValidateDomainDeviceDefAddress(const virDomainDeviceDef *dev,
 {
     virDomainDeviceInfo *info;
 
-    if (!(info = virDomainDeviceGetInfo((virDomainDeviceDef *)dev)))
+    if (!(info = virDomainDeviceGetInfo(dev)))
         return 0;
 
     switch ((virDomainDeviceAddressType) info->type) {