diff --git a/src/Driver/IBMDB2/Result.php b/src/Driver/IBMDB2/Result.php
index b2cf62c815..3acf6358e8 100644
--- a/src/Driver/IBMDB2/Result.php
+++ b/src/Driver/IBMDB2/Result.php
@@ -11,6 +11,7 @@
 
 use function db2_fetch_array;
 use function db2_fetch_assoc;
+use function db2_field_name;
 use function db2_free_result;
 use function db2_num_fields;
 use function db2_num_rows;