diff --git a/addons/web/static/src/views/fields/pdf_viewer/pdf_viewer_field.xml b/addons/web/static/src/views/fields/pdf_viewer/pdf_viewer_field.xml
index dd29ee84f91..5a3ac2acd1b 100644
--- a/addons/web/static/src/views/fields/pdf_viewer/pdf_viewer_field.xml
+++ b/addons/web/static/src/views/fields/pdf_viewer/pdf_viewer_field.xml
@@ -3,7 +3,7 @@
 
     <t t-name="web.PdfViewerField" owl="1">
         <t t-if="!props.readonly">
-            <div  class="o_form_pdf_controls">
+            <div class="o_form_pdf_controls d-flex gap-1">
                 <t t-if="props.record.data[props.name]">
                     <FileUploader
                         acceptedFileExtensions="'.pdf'"