diff --git a/pkg/harvester/l10n/en-us.yaml b/pkg/harvester/l10n/en-us.yaml
index 79cf69a1..1fefe930 100644
--- a/pkg/harvester/l10n/en-us.yaml
+++ b/pkg/harvester/l10n/en-us.yaml
@@ -428,7 +428,7 @@ harvester:
       volume:
         upperType: Volume name
         lowerType: volume name
-        needImageOrExisting: 'At least an image volume or an existing root-disk volume is required!'
+        needAtLeastOneBootable: 'At least one bootable volume is required!'
     image:
       ruleTip: 'The URL you have entered ends in an extension that we do not support. We only accept image files that end in .img, .iso, .qcow, .qcow2, .raw.'
       ruleFileTip: 'The file you have chosen ends in an extension that we do not support. We only accept image files that end in .img, .iso, .qcow, .qcow2, .raw.'
@@ -1356,7 +1356,7 @@ harvester:
     clusterRegistrationUrl:
       url: URL
       insecureSkipTLSVerify: Insecure Skip TLS Verify
-      tip: 
+      tip:
         prefix: Harvester secures cluster registration via TLS by default. If opt out "Insecure SKip TLS Verify", you must provide custom CA certificates using the
         middle: 'additional-ca'
         suffix: setting.
@@ -2190,12 +2190,12 @@ typeLabel:
       other { VMware Sources }
     }
   migration.harvesterhci.io.ovasource: |-
-    {count, plural,     
+    {count, plural,
       one { OVA Source }
       other { OVA Sources }
-    } 
+    }
   migration.harvesterhci.io.virtualmachineimport: |-
     {count, plural,
       one { Virtual Machine Import }
       other { Virtual Machine Imports }
-    }
\ No newline at end of file
+    }
diff --git a/pkg/harvester/validators/vm.js b/pkg/harvester/validators/vm.js
index 489a3309..6042bb1f 100644
--- a/pkg/harvester/validators/vm.js
+++ b/pkg/harvester/validators/vm.js
@@ -69,7 +69,7 @@ export function vmDisks(spec, getters, errors, validatorArgs, displayKey, value)
     validName(getters, errors, D.name, diskNames, prefix, type, lowerType, upperType);
   });
 
-  let requiredVolume = false;
+  let hasBootableVolume = false;
 
   _volumes.forEach((V, idx) => {
     const { type, typeValue } = getVolumeType(getters, V, _volumeClaimTemplates, value);
@@ -77,7 +77,7 @@ export function vmDisks(spec, getters, errors, validatorArgs, displayKey, value)
     const prefix = V.name || idx + 1;
 
     if ([SOURCE_TYPE.IMAGE, SOURCE_TYPE.ATTACH_VOLUME, SOURCE_TYPE.CONTAINER].includes(type)) {
-      requiredVolume = true;
+      hasBootableVolume = true;
     }
 
     if (type === SOURCE_TYPE.NEW || type === SOURCE_TYPE.IMAGE) {
@@ -137,10 +137,10 @@ export function vmDisks(spec, getters, errors, validatorArgs, displayKey, value)
   });
 
   /**
-   *  At least one volume must be create.  (Verify only when create.)
+   *  At least one bootable volume must be provided.  (Verify only when create.)
    */
-  if ((!requiredVolume || _volumes.length === 0) && !value.links) {
-    errors.push(getters['i18n/t']('harvester.validation.vm.volume.needImageOrExisting'));
+  if (!hasBootableVolume && !value.links) {
+    errors.push(getters['i18n/t']('harvester.validation.vm.volume.needAtLeastOneBootable'));
   }
 
   return errors;