1 files changed, 5 insertions, 0 deletions

diff --git a/src/cuchaz/enigma/mapping/ArgumentMapping.java b/src/cuchaz/enigma/mapping/ArgumentMapping.java
index f4d8e77..9f366a0 100644
--- a/src/cuchaz/enigma/mapping/ArgumentMapping.java
+++ b/src/cuchaz/enigma/mapping/ArgumentMapping.java
@@ -25,6 +25,11 @@ public class ArgumentMapping implements Serializable, Comparable<ArgumentMapping
                 m_name = NameValidator.validateArgumentName(name);
         }
         
+        public ArgumentMapping(ArgumentMapping other) {
+                m_index = other.m_index;
+                m_name = other.m_name;
+        }
+
         public int getIndex() {
                 return m_index;
         }