diff --git a/src/utils/components/DiskModal/utils/helpers.ts b/src/utils/components/DiskModal/utils/helpers.ts
index d66308592..2e90507d0 100644
--- a/src/utils/components/DiskModal/utils/helpers.ts
+++ b/src/utils/components/DiskModal/utils/helpers.ts
@@ -13,7 +13,12 @@ import {
   V1Volume,
 } from '@kubevirt-ui/kubevirt-api/kubevirt';
 import { t } from '@kubevirt-utils/hooks/useKubevirtTranslation';
-import { buildOwnerReference, getAnnotation, getName } from '@kubevirt-utils/resources/shared';
+import {
+  buildOwnerReference,
+  getAnnotation,
+  getName,
+  getNamespace,
+} from '@kubevirt-utils/resources/shared';
 import { ANNOTATIONS } from '@kubevirt-utils/resources/template';
 import { getBootDisk, getDataVolumeTemplates, getVolumes } from '@kubevirt-utils/resources/vm';
 import { getOperatingSystem } from '@kubevirt-utils/resources/vm/utils/operation-system/operationSystem';
@@ -105,9 +110,11 @@ const getDataVolumeHotplugPromise = (
     },
   };
 
-  return k8sCreate({ data: resultDataVolume, model: DataVolumeModel }).then(() =>
-    addPersistentVolume(vm, bodyRequestAddVolume),
-  ) as Promise<void>;
+  return k8sCreate({
+    data: resultDataVolume,
+    model: DataVolumeModel,
+    ns: getNamespace(resultDataVolume),
+  }).then(() => addPersistentVolume(vm, bodyRequestAddVolume)) as Promise<void>;
 };
 
 const getPersistentVolumeClaimHotplugPromise = (
@@ -143,11 +150,17 @@ export const hotplugPromise = (vmObj: V1VirtualMachine, diskState: V1DiskFormSta
     return getPersistentVolumeClaimHotplugPromise(vmObj, pvcName, diskState.disk);
   }
 
-  diskState.dataVolumeTemplate.metadata.ownerReferences = [
-    buildOwnerReference(vmObj, { blockOwnerDeletion: false }),
-  ];
+  const dataVolume = produce(diskState.dataVolumeTemplate, (draftDataVolumeTemplate) => {
+    draftDataVolumeTemplate.metadata.ownerReferences = [
+      buildOwnerReference(vmObj, { blockOwnerDeletion: false }),
+    ];
+
+    draftDataVolumeTemplate.metadata.namespace = getNamespace(vmObj);
+    draftDataVolumeTemplate.kind = DataVolumeModel.kind;
+    draftDataVolumeTemplate.apiVersion = `${DataVolumeModel.apiGroup}/${DataVolumeModel.apiVersion}`;
+  });
 
-  return getDataVolumeHotplugPromise(vmObj, diskState.dataVolumeTemplate, diskState.disk);
+  return getDataVolumeHotplugPromise(vmObj, dataVolume, diskState.disk);
 };
 
 export const produceVMDisks = (
diff --git a/src/utils/resources/vm/utils/disk/rowData.ts b/src/utils/resources/vm/utils/disk/rowData.ts
index 822e5ae85..a6d2bb20e 100644
--- a/src/utils/resources/vm/utils/disk/rowData.ts
+++ b/src/utils/resources/vm/utils/disk/rowData.ts
@@ -43,12 +43,13 @@ export const getDiskRowDataLayout = (
       storageClass: NO_DATA_DASH,
     };
 
-    if (device?.dataVolumeTemplate) {
+    const pvcSize = device?.pvc?.spec?.resources?.requests?.storage;
+    const dataVolumeCustomSize =
+      device?.dataVolumeTemplate?.spec?.storage?.resources?.requests?.storage;
+
+    if (device?.dataVolumeTemplate && (dataVolumeCustomSize || pvcSize)) {
       diskRowDataObject.size = humanizeBinaryBytes(
-        convertToBaseValue(
-          device?.dataVolumeTemplate?.spec?.storage?.resources?.requests?.storage ||
-            device?.pvc?.spec?.resources?.requests?.storage,
-        ),
+        convertToBaseValue(dataVolumeCustomSize || pvcSize),
       ).string;
 
       return diskRowDataObject;
@@ -57,9 +58,7 @@ export const getDiskRowDataLayout = (
     if (device?.pvc) {
       diskRowDataObject.source = device?.pvc?.metadata?.name;
       diskRowDataObject.sourceStatus = device?.pvc?.status?.phase;
-      diskRowDataObject.size = humanizeBinaryBytes(
-        convertToBaseValue(device?.pvc?.spec?.resources?.requests?.storage),
-      ).string;
+      diskRowDataObject.size = humanizeBinaryBytes(convertToBaseValue(pvcSize)).string;
       diskRowDataObject.storageClass = device?.pvc?.spec?.storageClassName;
     }