diff --git a/addons/base_import/static/src/xml/import.xml b/addons/base_import/static/src/xml/import.xml
index 40484a23ede..c3eb2dc2b0d 100644
--- a/addons/base_import/static/src/xml/import.xml
+++ b/addons/base_import/static/src/xml/import.xml
@@ -13,7 +13,7 @@
             <div class="oe_import_box">
                 <label t-attf-for="file_#{_id}" autofocus="autofocus">CSV File:</label>
                 <input type="file" id-attf-id="file_#{_id}"
-                       name="file" class="oe_import_file"/>
+                       name="file" class="oe_import_file" accept=".csv"/>
                 <button type="button" class="oe_import_file_reload"
                         disabled="disabled"
                         title="Reload data to check changes.">