Required defaults to true for programs.

1 files changed, 1 insertions, 1 deletions

diff --git a/interpreter.py b/interpreter.py
index a5a2e7c9d..f492b96d1 100755
--- a/interpreter.py
+++ b/interpreter.py
@@ -764,7 +764,7 @@ class Interpreter():
 
     def func_find_program(self, node, args, kwargs):
         self.validate_arguments(args, 1, [str])
-        required = kwargs.get('required', False)
+        required = kwargs.get('required', True)
         if not isinstance(required, bool):
             raise InvalidArguments('"required" argument must be a boolean.')
         exename = args[0]