diff --git a/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/TestCaseSupplier.java b/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/TestCaseSupplier.java
index 41cf0198e5d87..9eab8cbef5fed 100644
--- a/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/TestCaseSupplier.java
+++ b/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/TestCaseSupplier.java
@@ -956,7 +956,7 @@ public TypedData(Object data, String name) {
         @Override
         public String toString() {
             if (type == DataTypes.UNSIGNED_LONG && data instanceof Long longData) {
-                    return type.toString() + "(" + NumericUtils.unsignedLongAsBigInteger(longData).toString() + ")";
+                return type.toString() + "(" + NumericUtils.unsignedLongAsBigInteger(longData).toString() + ")";
             }
             return type.toString() + "(" + (data == null ? "null" : data.toString()) + ")";
         }