diff --git a/plugin/src/main/java/org/owasp/benchmarkutils/score/Configuration.java b/plugin/src/main/java/org/owasp/benchmarkutils/score/Configuration.java
index 3a45a040..44a4dd2d 100644
--- a/plugin/src/main/java/org/owasp/benchmarkutils/score/Configuration.java
+++ b/plugin/src/main/java/org/owasp/benchmarkutils/score/Configuration.java
@@ -22,6 +22,7 @@
 import java.io.InputStream;
 import java.io.SequenceInputStream;
 import java.util.Map;
+import org.yaml.snakeyaml.LoaderOptions;
 import org.yaml.snakeyaml.Yaml;
 
 /**
@@ -76,7 +77,16 @@ public class Configuration {
 
     public final Report report;
 
-    private static final Yaml yaml = new Yaml();
+    private static final Yaml yaml = new Yaml(defaultLoaderOptions());
+
+    private static LoaderOptions defaultLoaderOptions() {
+        LoaderOptions loaderOptions = new LoaderOptions();
+
+        loaderOptions.setAllowDuplicateKeys(true);
+        loaderOptions.setWarnOnDuplicateKeys(false);
+
+        return loaderOptions;
+    }
 
     public static Configuration fromDefaultConfig() {
         return fromInputStream(resourceAsStream(DEFAULT_CONFIG), DEFAULT_SUCCESS_MESSAGE);
diff --git a/plugin/src/test/java/org/owasp/benchmarkutils/score/BenchmarkScoreTest.java b/plugin/src/test/java/org/owasp/benchmarkutils/score/BenchmarkScoreTest.java
index 87110fe8..bc1989cc 100644
--- a/plugin/src/test/java/org/owasp/benchmarkutils/score/BenchmarkScoreTest.java
+++ b/plugin/src/test/java/org/owasp/benchmarkutils/score/BenchmarkScoreTest.java
@@ -28,7 +28,7 @@
 
 public class BenchmarkScoreTest {
 
-    private static final String SEP = System.getProperty("line.separator");
+    private static final String SEP = System.lineSeparator();
     private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
     private final PrintStream originalOut = System.out;