diff --git a/application/views/eqsl/import.php b/application/views/eqsl/import.php
index 88c6c9e58..a22c2cc4c 100644
--- a/application/views/eqsl/import.php
+++ b/application/views/eqsl/import.php
@@ -44,7 +44,7 @@
 					} ?>
 				</select>
 				<p><span class="badge bg-info me-1"><?= __("Important"); ?></span><?= __("Log files must have the file type .adi"); ?></p>
-				<input class="form-control mb-2 me-sm-2 mt-1 w-50 w-lg-100" type="file" name="userfile" size="20" />
+				<input class="form-control mb-2 me-sm-2 mt-1 w-50 w-lg-100" type="file" name="userfile" size="20" accept=".adi,.ADI,.adif,.ADIF" />
 			</div>
 			<hr class="divider">
 			<?php if (!($this->config->item('disable_manual_eqsl'))) { ?>
diff --git a/application/views/lotw/import.php b/application/views/lotw/import.php
index 8b0d9d36f..c65e3fed0 100644
--- a/application/views/lotw/import.php
+++ b/application/views/lotw/import.php
@@ -25,7 +25,7 @@
         <p><span class="badge text-bg-info"><?= __("Important"); ?></span> <?= __("Log files must have the file type .adi"); ?></p>
 
         <label class="visually-hidden" for="adiffile"><?= __("Choose file"); ?></label>
-        <input type="file" class="file-input mb-2 me-sm-2" id="adiffile" name="userfile" size="20" />
+        <input type="file" class="file-input mb-2 me-sm-2" id="adiffile" name="userfile" size="20" accept=".adi,.ADI,.adif,.ADIF" />
       </div>
 
       <br><br>