diff --git a/app/devices/device_edit.php b/app/devices/device_edit.php
index c442a97980..901e459afb 100644
--- a/app/devices/device_edit.php
+++ b/app/devices/device_edit.php
@@ -863,12 +863,12 @@
 				echo "			</td>\n";
 
 				echo "			<td align='left'>\n";
-				echo "				<input class='formfld' style='width: 50px;' type='text' name='device_lines[".$x."][user_id]' maxlength='255' value=\"".$row['user_id']."\"/>\n";
+				echo "				<input class='formfld' style='width: 50px;' type='text' name='device_lines[".$x."][user_id]' maxlength='255' autocomplete=\"off\" value=\"".$row['user_id']."\"/>\n";
 				echo "			</td>\n";
 
 				if (permission_exists('device_line_auth_id')) {
 					echo "			<td align='left'>\n";
-					echo "				<input class='formfld' style='width: 50px;' type='text' name='device_lines[".$x."][auth_id]' maxlength='255' value=\"".$row['auth_id']."\"/>\n";
+					echo "				<input class='formfld' style='width: 50px;' type='text' name='device_lines[".$x."][auth_id]' maxlength='255' autocomplete=\"off\" value=\"".$row['auth_id']."\"/>\n";
 					echo "			</td>\n";
 				}