diff --git a/src/main/java/org/umlgraph/doclet/ClassGraph.java b/src/main/java/org/umlgraph/doclet/ClassGraph.java
index e9974f1..ce3e2c0 100644
--- a/src/main/java/org/umlgraph/doclet/ClassGraph.java
+++ b/src/main/java/org/umlgraph/doclet/ClassGraph.java
@@ -808,7 +808,7 @@ class ClassGraph {
         for (TypeMirror type : types) {
             // skip primitives and type variables, as well as dependencies
             // on the source class
-            if (type.getKind().isPrimitive()
+            if (ElementUtil.isPrimitive(type)
                     || ElementUtil.isType(type, TypeKind.TYPEVAR) || ElementUtil.isType(type, TypeKind.WILDCARD)
                     || type instanceof NoType
                     || c.toString().equals(ElementUtil.getTypeElement(type).toString())) {
@@ -856,7 +856,7 @@ class ClassGraph {
 
     private FieldRelationInfo getFieldRelationInfo(VariableElement field) {
         TypeMirror type = field.asType();
-        if (type.getKind().isPrimitive() || ElementUtil.isType(type, TypeKind.WILDCARD) || ElementUtil.isType(type, TypeKind.TYPEVAR)) {
+        if (ElementUtil.isPrimitive(type) || ElementUtil.isType(type, TypeKind.WILDCARD) || ElementUtil.isType(type, TypeKind.TYPEVAR)) {
             return null;
         }
         
diff --git a/src/main/java/org/umlgraph/doclet/util/ElementUtil.java b/src/main/java/org/umlgraph/doclet/util/ElementUtil.java
index fe54ded..4597cbd 100644
--- a/src/main/java/org/umlgraph/doclet/util/ElementUtil.java
+++ b/src/main/java/org/umlgraph/doclet/util/ElementUtil.java
@@ -23,6 +23,16 @@ import jdk.javadoc.doclet.DocletEnvironment;
 
 public class ElementUtil {
 
+    public static boolean isPrimitive(TypeMirror type) {
+        if (type.getKind().isPrimitive()) {
+            return true;
+        }
+        if (type.getKind() == TypeKind.ARRAY) {
+            return isPrimitive(((ArrayType) type).getComponentType());
+        }
+        return false;
+    }
+
     public static boolean isType(TypeMirror type, TypeKind kind) {
         if (type.getKind() == kind) {
             return true;