diff --git a/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java b/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java
index 7e66576..d850b83 100644
--- a/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java
+++ b/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java
@@ -65,7 +65,7 @@
 			conn.setRequestMethod(method);
 
 			if (formParams.length() > 0) {
-				conn.setDoOutput(true);
+				if(method.equals("POST")) conn.setDoOutput(true);
 				if (clientSessionID != null) {
 					conn.setRequestProperty("Cookie", clientSessionID);
 				}