diff --git a/src/main/java/rife/bld/extension/TestNgOperation.java b/src/main/java/rife/bld/extension/TestNgOperation.java
index 7a04f0a..e73b396 100644
--- a/src/main/java/rife/bld/extension/TestNgOperation.java
+++ b/src/main/java/rife/bld/extension/TestNgOperation.java
@@ -131,8 +131,10 @@ public class TestNgOperation extends AbstractProcessOperation<TestNgOperation> {
                 var temp = tempFile();
                 try (var bufWriter = Files.newBufferedWriter(Paths.get(temp.getPath()))) {
                     bufWriter.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
+                            "<!DOCTYPE suite SYSTEM \"https://testng.org/testng-1.0.dtd\">" +
                             "<suite name=\"bld Default Suite\" verbose=\"2\">" +
-                            "<test name=\"All Packages\"><packages>");
+                            "<test name=\"All Packages\">" +
+                            "<packages>");
                     for (var p : packages) {
                         bufWriter.write(String.format("<package name=\"%s\"/>", p));
                     }
diff --git a/src/test/java/rife/bld/extension/TestNgOperationTest.java b/src/test/java/rife/bld/extension/TestNgOperationTest.java
index 7f13c70..3fec70b 100644
--- a/src/test/java/rife/bld/extension/TestNgOperationTest.java
+++ b/src/test/java/rife/bld/extension/TestNgOperationTest.java
@@ -17,7 +17,7 @@
 package rife.bld.extension;
 
 import org.junit.jupiter.api.Test;
-import rife.bld.Project;
+import rife.bld.Project; // NOPMD
 import rife.bld.operations.exceptions.ExitStatusException;
 
 import static org.assertj.core.api.Assertions.*;