diff --git a/src/duplicacy_backupmanager.go b/src/duplicacy_backupmanager.go
index 5d95f96..23996cb 100644
--- a/src/duplicacy_backupmanager.go
+++ b/src/duplicacy_backupmanager.go
@@ -284,7 +284,7 @@ func (manager *BackupManager) Backup(top string, quickMode bool, threads int, ta
 	// we simply treat all files as if they were new, and break them into chunks.
 	// Otherwise, we need to find those that are new or recently modified
 
-	if remoteSnapshot.Revision == 0 && incompleteSnapshot == nil {
+	if (remoteSnapshot.Revision == 0 || !quickMode) && incompleteSnapshot == nil {
 		modifiedEntries = localSnapshot.Files
 		for _, entry := range modifiedEntries {
 			totalModifiedFileSize += entry.Size