diff --git a/src/main/java/org/xembly/Directives.java b/src/main/java/org/xembly/Directives.java
index 7e351b0e..7645a5b8 100644
--- a/src/main/java/org/xembly/Directives.java
+++ b/src/main/java/org/xembly/Directives.java
@@ -155,7 +155,9 @@ public Iterator<Directive> iterator() {
      */
     @SuppressWarnings(
         {
-            "PMD.StdCyclomaticComplexity", "PMD.InefficientEmptyStringCheck"
+            "PMD.StdCyclomaticComplexity",
+            "PMD.InefficientEmptyStringCheck",
+            "aibolit.P20_5"
         }
     )
     public static Iterable<Directive> copyOf(final Node node) {