diff --git a/src/Manager.php b/src/Manager.php
index <HASH>..<HASH> 100644
--- a/src/Manager.php
+++ b/src/Manager.php
@@ -307,7 +307,7 @@ final class Manager {
 
 		$results = $wpdb->get_results( "SHOW TABLES LIKE '$name'" );
 
-		return count( $results ) > 0;
+		return is_array( $results ) && count( $results ) > 0;
 	}
 
 	/**
Fix PHP <I> warning for non-countable