diff --git a/src/main/java/com/github/ferstl/depgraph/dependency/puml/PumlDependencyEgdeRenderer.java b/src/main/java/com/github/ferstl/depgraph/dependency/puml/PumlDependencyEgdeRenderer.java
index c7c4039e..d20e26cf 100644
--- a/src/main/java/com/github/ferstl/depgraph/dependency/puml/PumlDependencyEgdeRenderer.java
+++ b/src/main/java/com/github/ferstl/depgraph/dependency/puml/PumlDependencyEgdeRenderer.java
@@ -18,7 +18,6 @@
 import com.github.ferstl.depgraph.dependency.DependencyNode;
 import com.github.ferstl.depgraph.dependency.NodeResolution;
 import com.github.ferstl.depgraph.graph.EdgeRenderer;
-
 import static com.github.ferstl.depgraph.dependency.VersionAbbreviator.abbreviateVersion;
 
 /**
@@ -44,7 +43,7 @@ public String render(DependencyNode from, DependencyNode to) {
 
     switch (resolution) {
       case INCLUDED:
-
+      case PARENT:
         edgeInfo.withBegin("-[")
             .withColor(INCLUDE_COLOR)
             .withEnd("]->")
diff --git a/src/main/java/com/github/ferstl/depgraph/graph/puml/PumlGraphFormatter.java b/src/main/java/com/github/ferstl/depgraph/graph/puml/PumlGraphFormatter.java
index 77ea3588..a81f4cf7 100644
--- a/src/main/java/com/github/ferstl/depgraph/graph/puml/PumlGraphFormatter.java
+++ b/src/main/java/com/github/ferstl/depgraph/graph/puml/PumlGraphFormatter.java
@@ -68,7 +68,7 @@ private void writeNodes(StringBuilder puml, Collection<Node<?>> nodes) {
           .append(escape(node.getNodeId()));
 
 
-      if (!nodeInfo.getStereotype().equals(SCOPE_COMPILE)) {
+      if (nodeInfo.getStereotype() != null && !nodeInfo.getStereotype().equals(SCOPE_COMPILE)) {
         puml.append("<<")
             .append(nodeInfo.getStereotype())
             .append(">>");
diff --git a/src/test/java/com/github/ferstl/depgraph/ReactorIntegrationTest.java b/src/test/java/com/github/ferstl/depgraph/ReactorIntegrationTest.java
index 75f8531b..10d9f862 100644
--- a/src/test/java/com/github/ferstl/depgraph/ReactorIntegrationTest.java
+++ b/src/test/java/com/github/ferstl/depgraph/ReactorIntegrationTest.java
@@ -49,4 +49,44 @@ public void reactorText() throws Exception {
 
     assertFileContents(basedir, "expectations/reactor.txt", "target/dependency-graph.txt");
   }
+
+  @Test
+  public void reactorDot() throws Exception {
+    File basedir = this.resources.getBasedir("reactor-graph");
+    MavenExecutionResult result = this.mavenRuntime
+        .forProject(basedir)
+        .withCliOption("-DgraphFormat=dot")
+        .execute("clean", "depgraph:reactor");
+
+    result.assertErrorFreeLog();
+
+    assertFileContents(basedir, "expectations/reactor.dot", "target/dependency-graph.dot");
+  }
+
+  // Issue #144
+  @Test
+  public void reactorPuml() throws Exception {
+    File basedir = this.resources.getBasedir("reactor-graph");
+    MavenExecutionResult result = this.mavenRuntime
+        .forProject(basedir)
+        .withCliOption("-DgraphFormat=puml")
+        .execute("clean", "depgraph:reactor");
+
+    result.assertErrorFreeLog();
+
+    assertFileContents(basedir, "expectations/reactor.puml", "target/dependency-graph.puml");
+  }
+
+  @Test
+  public void reactorGml() throws Exception {
+    File basedir = this.resources.getBasedir("reactor-graph");
+    MavenExecutionResult result = this.mavenRuntime
+        .forProject(basedir)
+        .withCliOption("-DgraphFormat=gml")
+        .execute("clean", "depgraph:reactor");
+
+    result.assertErrorFreeLog();
+
+    assertFileContents(basedir, "expectations/reactor.gml", "target/dependency-graph.gml");
+  }
 }
diff --git a/src/test/projects/reactor-graph/expectations/reactor.dot b/src/test/projects/reactor-graph/expectations/reactor.dot
new file mode 100644
index 00000000..13285d51
--- /dev/null
+++ b/src/test/projects/reactor-graph/expectations/reactor.dot
@@ -0,0 +1,21 @@
+digraph "G" {
+  node [shape="box",style="rounded",fontname="Helvetica",fontsize="14"]
+  edge [fontsize="10",fontname="Helvetica"]
+
+  // Node Definitions:
+  "com.github.ferstl:reactor-ui"[label=<reactor-ui>]
+  "com.github.ferstl:reactor-application"[label=<reactor-application>]
+  "com.github.ferstl:reactor-database"[label=<reactor-database>]
+  "com.github.ferstl:reactor-service"[label=<reactor-service>]
+  "com.github.ferstl:reactor-common"[label=<reactor-common>]
+  "com.github.ferstl:reactor-parent"[label=<reactor-parent>]
+  "com.github.ferstl:reactor-api"[label=<reactor-api>]
+
+  // Edge Definitions:
+  "com.github.ferstl:reactor-ui" -> "com.github.ferstl:reactor-application"[style="solid"]
+  "com.github.ferstl:reactor-database" -> "com.github.ferstl:reactor-service"[style="solid"]
+  "com.github.ferstl:reactor-common" -> "com.github.ferstl:reactor-database"[style="solid"]
+  "com.github.ferstl:reactor-common" -> "com.github.ferstl:reactor-ui"[style="solid"]
+  "com.github.ferstl:reactor-parent" -> "com.github.ferstl:reactor-api"[style="solid"]
+  "com.github.ferstl:reactor-parent" -> "com.github.ferstl:reactor-common"[style="solid"]
+}
\ No newline at end of file
diff --git a/src/test/projects/reactor-graph/expectations/reactor.gml b/src/test/projects/reactor-graph/expectations/reactor.gml
new file mode 100644
index 00000000..04825c4c
--- /dev/null
+++ b/src/test/projects/reactor-graph/expectations/reactor.gml
@@ -0,0 +1,67 @@
+graph [
+node [
+id "com.github.ferstl:reactor-ui"
+label "reactor-ui"
+]
+
+node [
+id "com.github.ferstl:reactor-application"
+label "reactor-application"
+]
+
+node [
+id "com.github.ferstl:reactor-database"
+label "reactor-database"
+]
+
+node [
+id "com.github.ferstl:reactor-service"
+label "reactor-service"
+]
+
+node [
+id "com.github.ferstl:reactor-common"
+label "reactor-common"
+]
+
+node [
+id "com.github.ferstl:reactor-parent"
+label "reactor-parent"
+]
+
+node [
+id "com.github.ferstl:reactor-api"
+label "reactor-api"
+]
+
+edge [
+source "com.github.ferstl:reactor-ui"
+target "com.github.ferstl:reactor-application"
+]
+
+edge [
+source "com.github.ferstl:reactor-database"
+target "com.github.ferstl:reactor-service"
+]
+
+edge [
+source "com.github.ferstl:reactor-common"
+target "com.github.ferstl:reactor-database"
+]
+
+edge [
+source "com.github.ferstl:reactor-common"
+target "com.github.ferstl:reactor-ui"
+]
+
+edge [
+source "com.github.ferstl:reactor-parent"
+target "com.github.ferstl:reactor-api"
+]
+
+edge [
+source "com.github.ferstl:reactor-parent"
+target "com.github.ferstl:reactor-common"
+]
+
+]
\ No newline at end of file
diff --git a/src/test/projects/reactor-graph/expectations/reactor.puml b/src/test/projects/reactor-graph/expectations/reactor.puml
new file mode 100644
index 00000000..8b65f416
--- /dev/null
+++ b/src/test/projects/reactor-graph/expectations/reactor.puml
@@ -0,0 +1,22 @@
+@startuml
+skinparam defaultTextAlignment center
+skinparam rectangle {
+  BackgroundColor<<optional>> beige
+  BackgroundColor<<test>> lightGreen
+  BackgroundColor<<runtime>> lightBlue
+  BackgroundColor<<provided>> lightGray
+}
+rectangle "reactor-ui" as com_github_ferstl_reactor_ui
+rectangle "reactor-application" as com_github_ferstl_reactor_application
+rectangle "reactor-database" as com_github_ferstl_reactor_database
+rectangle "reactor-service" as com_github_ferstl_reactor_service
+rectangle "reactor-common" as com_github_ferstl_reactor_common
+rectangle "reactor-parent" as com_github_ferstl_reactor_parent
+rectangle "reactor-api" as com_github_ferstl_reactor_api
+com_github_ferstl_reactor_ui -[#000000]-> com_github_ferstl_reactor_application
+com_github_ferstl_reactor_database -[#000000]-> com_github_ferstl_reactor_service
+com_github_ferstl_reactor_common -[#000000]-> com_github_ferstl_reactor_database
+com_github_ferstl_reactor_common -[#000000]-> com_github_ferstl_reactor_ui
+com_github_ferstl_reactor_parent -[#000000]-> com_github_ferstl_reactor_api
+com_github_ferstl_reactor_parent -[#000000]-> com_github_ferstl_reactor_common
+@enduml
\ No newline at end of file