diff --git a/scripts/helpers.rb b/scripts/helpers.rb
index 2bc343b..3e4eaad 100755
--- a/scripts/helpers.rb
+++ b/scripts/helpers.rb
@@ -21,7 +21,7 @@ def check_and_wait_until_reset
 #########################################################################################
 def get_entries(dirname)
     files = Dir[dirname + "/*.yml"]
-    files << Dir[dirname + "/*.yaml"]
+    files = files + Dir[dirname + "/*.yaml"]
 
     entries = {}
     if files then