diff --git a/ebean-api/src/test/java/io/ebean/bean/ToStringBuilderTest.java b/ebean-api/src/test/java/io/ebean/bean/ToStringBuilderTest.java
index c049ec9b0..51f6aa3d5 100644
--- a/ebean-api/src/test/java/io/ebean/bean/ToStringBuilderTest.java
+++ b/ebean-api/src/test/java/io/ebean/bean/ToStringBuilderTest.java
@@ -213,7 +213,7 @@ class ToStringBuilderTest {
 
     final int id;
 
-    final Map<String, ParamValue> map = new HashMap<>();
+    final Map<String, ParamValue> map = new LinkedHashMap<>();
 
 
     ParamStore(final int id) {