diff --git a/action/ExecuteActivity.action b/action/ExecuteActivity.action
index 0b19a2c63973dbc141cf6b3a25d919dbbb122cbd..1e5d0204996fb0cf9537061ed6dd61f7821c80eb 100755
--- a/action/ExecuteActivity.action
+++ b/action/ExecuteActivity.action
@@ -6,4 +6,4 @@ int32 return_code # Code after finishing the activity.
 string return_msg # Optional returning msg to pass information to higher levels.
 ---
 string feedback_status
-string answers[]
+string[] answers