diff --git a/test/data/swagger-import/raml/func-spec-example-23.yaml b/test/data/swagger-import/raml/func-spec-example-23.yaml
new file mode 100644
index 00000000..21147ce7
--- /dev/null
+++ b/test/data/swagger-import/raml/func-spec-example-23.yaml
@@ -0,0 +1,29 @@
+#%RAML 1.0
+title: Definition names conversion example
+version: 1.0.0
+types:
+  User:
+    properties:
+      id:
+        type: integer
+        format: int64
+        required: false
+      username:
+        type: string
+        required: false
+      firstName:
+        type: string
+        required: false
+      lastName:
+        type: string
+        required: false
+      email:
+        type: string
+        required: false
+      //:
+        type: string
+  ExtendedUsers:
+    type: object
+    properties:
+      //:
+        type: User
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diff --git a/test/data/swagger-import/swagger/func-spec-example-23.yaml b/test/data/swagger-import/swagger/func-spec-example-23.yaml
new file mode 100644
index 00000000..6a9c6af3
--- /dev/null
+++ b/test/data/swagger-import/swagger/func-spec-example-23.yaml
@@ -0,0 +1,28 @@
+swagger: "2.0"
+info:
+  version: 1.0.0
+  title: Definition names conversion example
+
+definitions:
+  User:
+    type: object
+    additionalProperties:
+      type: string
+    properties:
+      id:
+        type: integer
+        format: int64
+      username:
+        type: string
+      firstName:
+        type: string
+      lastName:
+        type: string
+      email:
+        type: string
+  ExtendedUsers:
+    type: object
+    additionalProperties:
+      $ref: "#/definitions/User"
+
+paths: {}
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