diff --git a/lib/codegen/php/guzzle.dart b/lib/codegen/php/guzzle.dart
index 24e9ba2b..ce0ebef6 100644
--- a/lib/codegen/php/guzzle.dart
+++ b/lib/codegen/php/guzzle.dart
@@ -71,11 +71,11 @@ echo $res->getBody();
       if (requestModel.hasFormData) {
         var templateMultiPartBody = jj.Template(kTemplateMultiPartBody);
         var renderedMultiPartBody = templateMultiPartBody.render({
-          "fields_list": requestModel.formDataMapList.map((field) {
+          "fields_list": requestModel.formDataList.map((field) {
             var row = '''
     [
-        'name'     => '${field['name']}',
-        'contents' => '${field['value']}'
+        'name'     => '${field.name}',
+        'contents' => ${field.type == FormDataType.file? "fopen('${field.value}', 'r')":"'${field.value}'"}
     ]''';
             return row;
           }).join(",\n"),
diff --git a/test/codegen/php_guzzle_codegen_test.dart b/test/codegen/php_guzzle_codegen_test.dart
index 455f5ac7..91240781 100644
--- a/test/codegen/php_guzzle_codegen_test.dart
+++ b/test/codegen/php_guzzle_codegen_test.dart
@@ -573,7 +573,7 @@ $body = new MultipartStream([
     ],
     [
         'name'     => 'imfile',
-        'contents' => '/Documents/up/1.png'
+        'contents' => fopen('/Documents/up/1.png', 'r')
     ]
 ]);
 
@@ -610,7 +610,7 @@ $body = new MultipartStream([
     ],
     [
         'name'     => 'imfile',
-        'contents' => '/Documents/up/1.png'
+        'contents' => fopen('/Documents/up/1.png', 'r')
     ]
 ]);
 
@@ -694,7 +694,7 @@ $body = new MultipartStream([
     ],
     [
         'name'     => 'imfile',
-        'contents' => '/Documents/up/1.png'
+        'contents' => fopen('/Documents/up/1.png', 'r')
     ]
 ]);