diff --git a/acqui/invoice-files.pl b/acqui/invoice-files.pl
index f79d0d6569..39ab34d51e 100755
--- a/acqui/invoice-files.pl
+++ b/acqui/invoice-files.pl
@@ -58,19 +58,11 @@ if ( $op eq 'download' ) {
 
     my $fname = $file->{'file_name'};
     my $ftype = $file->{'file_type'};
-    if ( $input->param('view') && ( $ftype =~ m|^image/|i || $fname =~ /\.pdf/i ) ) {
-        $fname =~ /\.pdf/i && do { $ftype = 'application/pdf'; };
-        print $input->header(
-            -type    => $ftype,
-            -charset => 'utf-8'
-        );
-    } else {
-        print $input->header(
-            -type       => $file->{'file_type'},
-            -charset    => 'utf-8',
-            -attachment => $file->{'file_name'}
-        );
-    }
+    print $input->header(
+        -type       => $file->{'file_type'},
+        -charset    => 'utf-8',
+        -attachment => $file->{'file_name'}
+    );
     print $file->{'file_content'};
 } else {
     my $details = GetInvoiceDetails($invoiceid);
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/invoice-files.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/invoice-files.tt
index aeb50dbc9d..3507581aa0 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/invoice-files.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/invoice-files.tt
@@ -64,7 +64,7 @@
                 <tbody>
                     [% FOREACH f IN files %]
                         <tr>
-                            <td><a href="?invoiceid=[% invoiceid | uri %]&amp;op=download&amp;view=1&amp;file_id=[% f.file_id | uri %]">[% f.file_name | html %]</a></td>
+                            <td><a href="?invoiceid=[% invoiceid | uri %]&amp;op=download&amp;file_id=[% f.file_id | uri %]">[% f.file_name | html %]</a></td>
                             <td>[% f.file_type | html %]</td>
                             <td>[% f.file_description | html %]</td>
                             <td data-order="[% f.date_uploaded | html %]"> [% f.date_uploaded | $KohaDates %] </td>