diff --git a/packages/pl-api/lib/request.ts b/packages/pl-api/lib/request.ts
index f64e9679a..5017708cc 100644
--- a/packages/pl-api/lib/request.ts
+++ b/packages/pl-api/lib/request.ts
@@ -113,13 +113,11 @@ function request<T = any>(
   else if (this.accessToken) headers.set('Authorization', `Bearer ${this.accessToken}`);
   else if (this.customAuthorizationToken)
     headers.set('Authorization', this.customAuthorizationToken);
-  body =
-    body && (formData || contentType === '')
-      ? serialize(body, { indices: true })
-      : JSON.stringify(body);
-  if (!formData && body) headers.set('Content-Type', contentType);
+  if (!formData) headers.set('Content-Type', contentType);
   if (idempotencyKey) headers.set('Idempotency-Key', idempotencyKey);
 
+  body = body && formData ? serialize(body, { indices: true }) : JSON.stringify(body);
+
   // Fetch API doesn't report upload progress, use XHR
   if (onUploadProgress) {
     return new Promise<Response<T>>((resolve, reject) => {