diff --git a/toscaparser/elements/nodetype.py b/toscaparser/elements/nodetype.py
index 4889ed89..79b5cc1e 100644
--- a/toscaparser/elements/nodetype.py
+++ b/toscaparser/elements/nodetype.py
@@ -85,9 +85,10 @@ class NodeType(StatefulEntityType):
                                          _get_node_type_by_cap(captype))
                             keyword = key
                             node_type = value
-                rtype = RelationshipType(relation, keyword, self.custom_def)
-                relatednode = NodeType(node_type, self.custom_def)
-                relationship[rtype] = relatednode
+                        rtype = RelationshipType(relation, keyword,
+                                                 self.custom_def)
+                        relatednode = NodeType(node_type, self.custom_def)
+                        relationship[rtype] = relatednode
         return relationship
 
     def _get_node_type_by_cap(self, cap):
diff --git a/toscaparser/tests/data/test_nodetype_without_relationship.yaml b/toscaparser/tests/data/test_nodetype_without_relationship.yaml
new file mode 100644
index 00000000..4487432d
--- /dev/null
+++ b/toscaparser/tests/data/test_nodetype_without_relationship.yaml
@@ -0,0 +1,27 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >
+  Test NodeType which requirements has no relationship.
+
+node_types:
+  sample.SC:
+    derived_from: tosca.nodes.SoftwareComponent
+    requirements:
+      - custom_host:
+          capability: tosca.capabilities.Attachment
+          node: tosca.nodes.Compute
+
+topology_template:
+  node_templates:
+    SampleSC1:
+      type: sample.SC
+      requirements:
+        - custom_host: Compute1
+    Compute1:
+      type: tosca.nodes.Compute
+    SC2:
+      type: tosca.nodes.SoftwareComponent
+      requirements:
+        - host: Compute2
+    Compute2:
+      type: tosca.nodes.Compute
diff --git a/toscaparser/tests/test_toscatpl.py b/toscaparser/tests/test_toscatpl.py
index 0349140f..d43f3a4d 100644
--- a/toscaparser/tests/test_toscatpl.py
+++ b/toscaparser/tests/test_toscatpl.py
@@ -148,6 +148,37 @@ class ToscaTemplateTest(TestCase):
         self.assertFalse(
             wordpress_node.is_derived_from("tosca.policies.Root"))
 
+    def test_nodetype_without_relationship(self):
+        # Nodes that contain "relationship" in "requirements"
+        depend_node_types = (
+            "tosca.nodes.SoftwareComponent",
+        )
+
+        # Nodes that do not contain "relationship" in "requirements"
+        non_depend_node_types = (
+            "tosca.nodes.Compute",
+            "sample.SC",
+        )
+
+        tosca_tpl = os.path.join(
+            os.path.dirname(os.path.abspath(__file__)),
+            "data/test_nodetype_without_relationship.yaml")
+        tosca = ToscaTemplate(tosca_tpl)
+
+        nodetemplates = tosca.nodetemplates
+        for node in nodetemplates:
+            node_depend = node.related_nodes
+            if node_depend:
+                self.assertIn(
+                    node.type,
+                    depend_node_types
+                )
+            else:
+                self.assertIn(
+                    node.type,
+                    non_depend_node_types
+                )
+
     def test_outputs(self):
         self.assertEqual(
             ['website_url'],