diff --git a/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java b/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java
index f3d80bb..ef810ae 100644
--- a/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java
+++ b/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java
@@ -968,9 +968,11 @@ public class HttpClient5AdapterServiceRest extends HttpClient5AdapterServiceSupp
 				JSONObject jsonObject = (JSONObject) eaiBody;
 
 				for (Object key : jsonObject.keySet()) {
-					//String encryptedValue = encrypt((String) jsonObject.get(key)); // encrypt by jwhong
-					//params.add(new BasicNameValuePair((String) key, encryptedValue ));
+				    
+				    if( jsonObject.get(key) instanceof String ) {
 					params.add(new BasicNameValuePair((String) key, (String) jsonObject.get(key)));
+				    }
+				    
 				}
 
 				UrlEncodedFormEntity entity = new UrlEncodedFormEntity(params, StandardCharsets.UTF_8);