diff --git a/modules/swagger-codegen/src/main/resources/typescript-jquery/api.mustache b/modules/swagger-codegen/src/main/resources/typescript-jquery/api.mustache
index 5acab55f344..2191d52f965 100644
--- a/modules/swagger-codegen/src/main/resources/typescript-jquery/api.mustache
+++ b/modules/swagger-codegen/src/main/resources/typescript-jquery/api.mustache
@@ -103,7 +103,7 @@ export class {{classname}} {
 {{#formParams}}
 {{#isFile}}
         reqHasFile = true;
-        formParams = {{paramName}};
+        formParams.append("{{baseName}}", {{paramName}});
 {{/isFile}}
 {{^isFile}}
         {{#isListContainer}}