diff --git a/src/um-browser-detect/src/Core.php b/src/um-browser-detect/src/Core.php
index 6df9bdb..a791190 100644
--- a/src/um-browser-detect/src/Core.php
+++ b/src/um-browser-detect/src/Core.php
@@ -95,7 +95,7 @@ public function render_hidden_field( $output, $data ) {
 				$field_value = $browser->getUserAgent();
 				break;
 			case 'user_ip_address':
-				$field_value = isset( $_SERVER['REMOTE_ADDR'] ) ? wp_unslash( sanitize_key( $_SERVER['REMOTE_ADDR'] ) ) : '';
+				$field_value = isset( $_SERVER['REMOTE_ADDR'] ) ? sanitize_text_field( $_SERVER['REMOTE_ADDR'] ) : '';
 				break;
 		}