diff --git a/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java b/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java
index d1cfa54b..a40eab7e 100644
--- a/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java
+++ b/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java
@@ -186,11 +186,11 @@ public <P> HttpURLConnection getConnection(final String serviceUrl, final P post
             // could have just used rquestType as it is
             connection.setDoOutput(false);
             connection.setRequestMethod("DELETE");
-            connection.setRequestProperty("Content-Type", "application/text");
+            connection.setRequestProperty("Content-Type", "text/plain");
         } else {
             connection.setDoOutput(false);
             connection.setRequestMethod("GET");
-            connection.setRequestProperty("Content-Type", "application/text");
+            connection.setRequestProperty("Content-Type", "text/plain");
         }
 
         return connection;