diff --git a/server/src/main/java/org/apache/cloudstack/backup/BackupManagerImpl.java b/server/src/main/java/org/apache/cloudstack/backup/BackupManagerImpl.java
index b3b22e98e45b..c3e7aa94f6aa 100644
--- a/server/src/main/java/org/apache/cloudstack/backup/BackupManagerImpl.java
+++ b/server/src/main/java/org/apache/cloudstack/backup/BackupManagerImpl.java
@@ -783,7 +783,7 @@ public boolean restoreBackupVolumeAndAttachToVM(final String backedUpVolumeUuid,
         accountManager.checkAccess(CallContext.current().getCallingAccount(), null, true, vm);
 
         if (vm.getBackupOfferingId() != null && !BackupEnableAttachDetachVolumes.value()) {
-            throw new CloudRuntimeException("The selected VM has backups, cannot restore and attach volume to the VM.");
+            throw new CloudRuntimeException("The selected VM is attached to a backup offering and, thus, it is not possible to restore and attach volumes from backups to the instance.");
         }
 
         if (backup.getZoneId() != vm.getDataCenterId()) {