diff --git a/src/main/java/edu/harvard/iq/dataverse/datasetutility/AddReplaceFileHelper.java b/src/main/java/edu/harvard/iq/dataverse/datasetutility/AddReplaceFileHelper.java
index e82e6d7ae37..2aa04c86f5d 100644
--- a/src/main/java/edu/harvard/iq/dataverse/datasetutility/AddReplaceFileHelper.java
+++ b/src/main/java/edu/harvard/iq/dataverse/datasetutility/AddReplaceFileHelper.java
@@ -1318,9 +1318,11 @@ private boolean step_040_auto_checkForDuplicates(){
             
             // Has the content type of the file changed?
             //
-            if (!finalFileList.get(0).getContentType().equalsIgnoreCase(fileToReplace.getContentType())){
-            
-                List<String> errParams = Arrays.asList(fileToReplace.getFriendlyType(),
+            String fileType = fileToReplace.getOriginalFileFormat() != null ? fileToReplace.getOriginalFileFormat() : fileToReplace.getContentType();
+            if (!finalFileList.get(0).getContentType().equalsIgnoreCase(fileType)) {
+                String friendlyType = fileToReplace.getOriginalFormatLabel() != null ? fileToReplace.getOriginalFormatLabel() : fileToReplace.getFriendlyType();
+                
+                List<String> errParams = Arrays.asList(friendlyType,
                                                 finalFileList.get(0).getFriendlyType());
                 
                 String contentTypeErr = BundleUtil.getStringFromBundle("file.addreplace.error.replace.new_file_has_different_content_type",