diff --git a/includes/class-wp-job-manager-usage-tracking.php b/includes/class-wp-job-manager-usage-tracking.php
index d354ab522..73bfc68a8 100644
--- a/includes/class-wp-job-manager-usage-tracking.php
+++ b/includes/class-wp-job-manager-usage-tracking.php
@@ -160,7 +160,7 @@ public static function track_job_approval( $post_id, $properties = [] ) {
 	 * @return self
 	 */
 	public static function get_instance() {
-		return self::get_instance_for_subclass( get_class() );
+		return self::get_instance_for_subclass( static::class );
 	}
 
 	/**
diff --git a/lib/usage-tracking/tests/support/class-usage-tracking-test-subclass.php b/lib/usage-tracking/tests/support/class-usage-tracking-test-subclass.php
index 0caaa0123..1c6ffe9c3 100644
--- a/lib/usage-tracking/tests/support/class-usage-tracking-test-subclass.php
+++ b/lib/usage-tracking/tests/support/class-usage-tracking-test-subclass.php
@@ -11,7 +11,7 @@ class Usage_Tracking_Test_Subclass extends WP_Job_Manager_Usage_Tracking_Base {
 	const TRACKING_ENABLED_OPTION_NAME = 'testing-usage-tracking-enabled';
 
 	public static function get_instance() {
-		return self::get_instance_for_subclass( get_class() );
+		return self::get_instance_for_subclass( static::class );
 	}
 
 	public function get_prefix() {
diff --git a/lib/usage-tracking/tests/test-class-usage-tracking.php b/lib/usage-tracking/tests/test-class-usage-tracking.php
index 444d4bb54..0d75b3b19 100644
--- a/lib/usage-tracking/tests/test-class-usage-tracking.php
+++ b/lib/usage-tracking/tests/test-class-usage-tracking.php
@@ -15,6 +15,7 @@
 class WP_Job_Manager_Usage_Tracking_Test extends WP_UnitTestCase {
 	private $event_counts       = array();
 	private $track_http_request = array();
+	private $usage_tracking;
 
 	public function setUp(): void {
 		parent::setUp();
diff --git a/tests/php/tests/includes/admin/test_class.wp-job-manager-cpt.php b/tests/php/tests/includes/admin/test_class.wp-job-manager-cpt.php
index ce81a1c70..64968f98a 100644
--- a/tests/php/tests/includes/admin/test_class.wp-job-manager-cpt.php
+++ b/tests/php/tests/includes/admin/test_class.wp-job-manager-cpt.php
@@ -3,6 +3,8 @@
 require 'includes/admin/class-wp-job-manager-cpt.php';
 
 class WP_Test_WP_Job_Manager_CPT extends WPJM_BaseTest {
+	protected WP_Job_Manager_CPT $job_manager_cpt;
+
 	public function setUp(): void {
 		parent::setUp();
 
diff --git a/wp-job-manager-functions.php b/wp-job-manager-functions.php
index 301c47629..660a7a5bd 100644
--- a/wp-job-manager-functions.php
+++ b/wp-job-manager-functions.php
@@ -363,17 +363,18 @@ function job_manager_construct_secondary_conditions( $search_term, $is_excluding
 					// Only selected meta keys.
 					if ( $searchable_meta_keys ) {
 						$meta_keys = implode( "','", array_map( 'esc_sql', $searchable_meta_keys ) );
-						//phpcs:disabled WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Variables are safe or escaped.
-						$conditions[] = $wpdb->prepare( "{$wpdb->posts}.ID {$not_string}IN ( SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key IN ( '${meta_keys}' ) AND meta_value LIKE %s )", $meta_value );
+						// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Variables are safe or escaped.
+						$conditions[] = $wpdb->prepare( "{$wpdb->posts}.ID {$not_string}IN ( SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key IN ( '{$meta_keys}' ) AND meta_value LIKE %s )", $meta_value );
 					} else {
 						// No meta keys defined, search all post meta value.
 						$conditions[] = $wpdb->prepare( "{$wpdb->posts}.ID {$not_string}IN ( SELECT post_id FROM {$wpdb->postmeta} WHERE meta_value LIKE %s )", $meta_value );
-						//phpcs:enabled WordPress.DB.PreparedSQL.InterpolatedNotPrepared
+						// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
 					}
 				}
 
 				// Search taxonomy.
-				$conditions[] = $wpdb->prepare( "{$wpdb->posts}.ID ${not_string}IN ( SELECT object_id FROM {$wpdb->term_relationships} AS tr LEFT JOIN {$wpdb->term_taxonomy} AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id LEFT JOIN {$wpdb->terms} AS t ON tt.term_id = t.term_id WHERE t.name LIKE %s )", $meta_value );
+				// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Variables are safe or escaped.
+				$conditions[] = $wpdb->prepare( "{$wpdb->posts}.ID {$not_string}IN ( SELECT object_id FROM {$wpdb->term_relationships} AS tr LEFT JOIN {$wpdb->term_taxonomy} AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id LEFT JOIN {$wpdb->terms} AS t ON tt.term_id = t.term_id WHERE t.name LIKE %s )", $meta_value );
 
 				return $conditions;
 			}