diff --git a/modules/swagger-parser-v2-converter/src/main/java/io/swagger/v3/parser/converter/SwaggerConverter.java b/modules/swagger-parser-v2-converter/src/main/java/io/swagger/v3/parser/converter/SwaggerConverter.java
index 8e5dc66b62..701bef6a77 100644
--- a/modules/swagger-parser-v2-converter/src/main/java/io/swagger/v3/parser/converter/SwaggerConverter.java
+++ b/modules/swagger-parser-v2-converter/src/main/java/io/swagger/v3/parser/converter/SwaggerConverter.java
@@ -1057,6 +1057,12 @@ public Schema convert(io.swagger.models.Model v2Model) {
                 if (model.getAdditionalProperties() != null) {
                     result.setAdditionalProperties(convert(model.getAdditionalProperties()));
                 }
+            } else if(v2Model instanceof RefModel) {
+                RefModel ref = (RefModel) v2Model;
+                if (ref.get$ref().indexOf("#/definitions") == 0) {
+                    String updatedRef = "#/components/schemas" + ref.get$ref().substring("#/definitions".length());
+                    result.set$ref(updatedRef);
+                }
             }
 
             if (v2discriminator != null) {
diff --git a/modules/swagger-parser-v2-converter/src/test/java/io/swagger/parser/test/V2ConverterTest.java b/modules/swagger-parser-v2-converter/src/test/java/io/swagger/parser/test/V2ConverterTest.java
index 214faa43f5..cf063bf430 100644
--- a/modules/swagger-parser-v2-converter/src/test/java/io/swagger/parser/test/V2ConverterTest.java
+++ b/modules/swagger-parser-v2-converter/src/test/java/io/swagger/parser/test/V2ConverterTest.java
@@ -68,6 +68,7 @@ public class V2ConverterTest {
     private static final String ISSUE_600_JSON = "issue-600.json";
     private static final String ISSUE_455_JSON = "issue-455.json";
     private static final String ISSUE_540_JSON = "issue-540.json";
+    private static final String ISSUE_647_JSON = "issue-647.yaml";
 
     private static final String API_BATCH_PATH = "/api/batch/";
     private static final String PETS_PATH = "/pets";
@@ -132,6 +133,7 @@ public class V2ConverterTest {
     private static final String SOLD = "sold";
     private static final String ARRAY_VALUES = "[{\"id\":-1,\"name\":\"Marvin the Paranoid Android\"}," +
             "{\"id\":1000000,\"name\":\"Zaphod Beeblebrox\",\"friends\":[15]}]";
+    private static final String SCHEMAS_A_REF = "#/components/schemas/A";
 
     private static final int MAX_LENGTH = 60;
     private static final int REQUIRED_SIZE = 2;
@@ -534,6 +536,14 @@ public void testIssue600() throws Exception {
         assertEquals(required.size(), REQUIRED_SIZE);
     }
 
+    @Test(description = "OpenAPI v2 converter - ref in RequestBodies are correctly updated")
+    public void testIssue647() throws Exception {
+        OpenAPI oas = getConvertedOpenAPIFromJsonFile(ISSUE_647_JSON);
+
+        String ref = oas.getComponents().getRequestBodies().get("b").getContent().get("*/*").getSchema().get$ref();
+        assertEquals(ref, SCHEMAS_A_REF);
+    }
+
     private OpenAPI getConvertedOpenAPIFromJsonFile(String file) throws IOException, URISyntaxException {
         SwaggerConverter converter = new SwaggerConverter();
         String swaggerAsString = new String(Files.readAllBytes(Paths.get(getClass().getClassLoader().getResource(file).toURI())));
diff --git a/modules/swagger-parser-v2-converter/src/test/resources/issue-647.yaml b/modules/swagger-parser-v2-converter/src/test/resources/issue-647.yaml
new file mode 100644
index 0000000000..53f1a369bd
--- /dev/null
+++ b/modules/swagger-parser-v2-converter/src/test/resources/issue-647.yaml
@@ -0,0 +1,18 @@
+swagger: '2.0'
+info:
+  title: some title
+  version: '1.0'
+host: 'localhost:8000'
+schemes:
+  - http
+  - https
+paths: {}
+definitions:
+  A:
+    type: string
+parameters:
+  b:
+    name: e
+    in: body
+    schema:
+      $ref: '#/definitions/A'