diff --git a/toscaparser/imports.py b/toscaparser/imports.py
index 266d27e9..2caf7c60 100644
--- a/toscaparser/imports.py
+++ b/toscaparser/imports.py
@@ -34,11 +34,12 @@ class ImportsLoader(object):
                        'namespace_prefix')
 
     def __init__(self, importslist, path, type_definition_list=None,
-                 tpl=None):
+                 tpl=None, local_defs=None):
         self.importslist = importslist
         self.custom_defs = {}
         self.nested_tosca_tpls = []
         self.nested_imports = {}
+        self.local_defs = local_defs
         if not path and not tpl:
             msg = _('Input tosca template is not provided.')
             log.warning(msg)
@@ -197,7 +198,14 @@ class ImportsLoader(object):
             return None, None
 
         if toscaparser.utils.urlutils.UrlUtils.validate_url(file_name):
-            return file_name, YAML_LOADER(file_name, False)
+            has_file = False
+            if self.local_defs is not None:
+                for k in self.local_defs.keys():
+                    if k == file_name:
+                        file_name = self.local_defs[k]
+                        has_file = True
+
+            return file_name, YAML_LOADER(file_name, a_file=has_file)
         elif not repository:
             import_template = None
             if self.path:
diff --git a/toscaparser/tests/test_toscatpl.py b/toscaparser/tests/test_toscatpl.py
index 8ddc0bd3..203305e4 100644
--- a/toscaparser/tests/test_toscatpl.py
+++ b/toscaparser/tests/test_toscatpl.py
@@ -1013,3 +1013,33 @@ class ToscaTemplateTest(TestCase):
             "data/policies/test_policies_without_required_property.yaml")
         self.assertRaises(exception.ValidationError, ToscaTemplate,
                           tosca_tpl, None)
+
+    def test_local_custom_defs(self):
+        """Compare if custom defs on local and remote the same."""
+
+        tosca_tpl = os.path.join(
+            os.path.dirname(os.path.abspath(__file__)),
+            "data/tosca_single_instance_wordpress_with_url_import.yaml")
+
+        local_def = os.path.join(
+            os.path.dirname(os.path.abspath(__file__)),
+            "data/custom_types/wordpress.yaml")
+        remote_def = (
+            "https://raw.githubusercontent.com/openstack/"
+            "tosca-parser/master/toscaparser/tests/data/custom_types/"
+            "wordpress.yaml")
+
+        local_defs = {remote_def: local_def}
+        params = {'db_name': 'my_wordpress', 'db_user': 'my_db_user',
+                  'db_root_pwd': '12345678'}
+        tosca = ToscaTemplate(tosca_tpl, parsed_params=params)
+        tosca_local = ToscaTemplate(tosca_tpl, parsed_params=params,
+                                    local_defs=local_defs)
+
+        # Compare the name of input params defined in the custom defs
+        expected = ["wp_db_name", "wp_db_user", "wp_db_password"]
+        for t in [tosca, tosca_local]:
+            actual = list(
+                (t.tpl["topology_template"]["node_templates"]["wordpress"]
+                    ["interfaces"]["Standard"]["configure"]["inputs"]).keys())
+            self.assertEqual(expected, actual)
diff --git a/toscaparser/tests/test_toscatplvalidation.py b/toscaparser/tests/test_toscatplvalidation.py
index 1acfacd8..0b394756 100644
--- a/toscaparser/tests/test_toscatplvalidation.py
+++ b/toscaparser/tests/test_toscatplvalidation.py
@@ -449,6 +449,28 @@ heat-translator/master/translator/tests/data/custom_types/wordpress.yaml
         self.assertTrue(custom_defs.get("mycompany.tosca.nodes."
                                         "WebApplication.WordPress"))
 
+    def test_imports_with_local_defs(self):
+        """Compare custom types on local and remote."""
+
+        ctypes = {
+            "remote": ("https://raw.githubusercontent.com/openstack/"
+                       "heat-translator/master/translator/tests/data/"
+                       "custom_types/wordpress.yaml"),
+            "local": "../data/wordpress.yaml"}
+
+        tpl_snippet = '''
+        imports:
+        - {}
+        '''.format(ctypes["remote"])
+        local_defs = {ctypes["remote"]: ctypes["local"]}
+
+        path = 'toscaparser/tests/data/tosca_elk.yaml'
+        imports = (toscaparser.utils.yamlparser.
+                   simple_parse(tpl_snippet)['imports'])
+        ld1 = ImportsLoader(imports, path, "node_types")
+        ld2 = ImportsLoader(imports, path, "node_types", local_defs)
+        self.assertEqual(ld1.get_custom_defs(), ld2.get_custom_defs())
+
     def test_imports_file_with_suffix_yml(self):
         tpl_snippet = '''
         imports:
diff --git a/toscaparser/tosca_template.py b/toscaparser/tosca_template.py
index 1671f7e4..8cb5e633 100644
--- a/toscaparser/tosca_template.py
+++ b/toscaparser/tosca_template.py
@@ -67,7 +67,7 @@ class ToscaTemplate(object):
 
     '''Load the template data.'''
     def __init__(self, path=None, parsed_params=None, a_file=True,
-                 yaml_dict_tpl=None):
+                 yaml_dict_tpl=None, local_defs=None):
 
         ExceptionCollector.start()
         self.a_file = a_file
@@ -76,6 +76,8 @@ class ToscaTemplate(object):
         self.tpl = None
         self.nested_tosca_tpls_with_topology = {}
         self.nested_tosca_templates_with_topology = []
+        self.local_defs = local_defs
+
         if path:
             self.input_path = path
             self.path = self._get_path(path)
@@ -209,7 +211,8 @@ class ToscaTemplate(object):
 
         if imports:
             custom_service = toscaparser.imports.\
-                ImportsLoader(imports, path, type_defs, self.tpl)
+                ImportsLoader(imports, path, type_defs, self.tpl,
+                              self.local_defs)
 
             nested_tosca_tpls = custom_service.get_nested_tosca_tpls()
             self._update_nested_tosca_tpls_with_topology(nested_tosca_tpls)