diff --git a/plugins/module_utils/parse.py b/plugins/module_utils/parse.py
index 18f34654..1e592e0e 100644
--- a/plugins/module_utils/parse.py
+++ b/plugins/module_utils/parse.py
@@ -133,7 +133,7 @@ def process_hash(attrs, level=3, indent=2, prefix=' '):
                         else:
                             result += "%s%s %s= {\n%s%s}\n" % (
                                 prefix, attribute_types(attr), op, process_hash(attrs=value, indent=indent+2), ' '*indent)
-                elif type(value) is list:
+                elif type(value) is list and value:
                     if value[0] == "+":
                         op = "+"
                         value.pop(0)