diff --git a/lib/nodegen.js b/lib/nodegen.js
index 971db1a..32137dc 100644
--- a/lib/nodegen.js
+++ b/lib/nodegen.js
@@ -186,20 +186,25 @@ function function2node(data, options) {
 function swagger2node(data, options) {
     // Modify swagger data
     var swagger = JSON.parse(JSON.stringify(data.src), function (key, value) {
-        if (key === 'consumes') { // 1. Filter type for 'Content-Type' in request header
-            return undefined;
-        } else if (key === 'produces') { // 2. Filter type for 'Accept' in request header
+        if (key === 'consumes' || key === 'produces') { // Filter type of 'Content-Type' and 'Accept' in request header
             if (value.indexOf('application/json') >= 0) {
                 return ['application/json'];
-            }
-            if (value.indexOf('application/xml') >= 0) {
+            } else if (value.indexOf('application/xml') >= 0) {
                 return ['application/xml'];
+            } else if (value.indexOf('text/csv') >= 0) {
+                return ['text/csv'];
+            } else if (value.indexOf('text/plain') >= 0) {
+                return ['text/plain'];
+            } else if (value.indexOf('multipart/form-data') >= 0) {
+                return ['multipart/form-data'];
+            } else if (value.indexOf('application/octet-stream') >= 0) {
+                return ['application/octet-stream'];
             } else {
-                return [value[0]];
+                return undefined;
             }
-        } else if (key === 'default') { // 3. Handle swagger-js-codegen bug
+        } else if (key === 'default') { // Handle swagger-js-codegen bug
             return undefined;
-        } else if (key === 'operationId') { // 4. Sanitize 'operationId' (remove special chars)
+        } else if (key === 'operationId') { // Sanitize 'operationId' (remove special chars)
             return value.replace(/(?!\w|\s)./g, '');
         } else {
             return value;