diff --git a/src/mapper/mp_proto.cc b/src/mapper/mp_proto.cc
index 513fb57..2b0ef90 100644
--- a/src/mapper/mp_proto.cc
+++ b/src/mapper/mp_proto.cc
@@ -29,6 +29,12 @@ static int mp_pick_kill_type();
 static char kYes[] = "YES";
 static char kNo[] = "NO";
 
+// 0x53DAFC
+static char default_proto_builder_name[36] = "EVERTS SCOTTY";
+
+// 0x559924
+char* proto_builder_name = default_proto_builder_name;
+
 // 0x559B94
 static const char* wall_light_strs[] = {
     "North/South",
diff --git a/src/mapper/mp_proto.h b/src/mapper/mp_proto.h
index e6a520e..e4e1443 100644
--- a/src/mapper/mp_proto.h
+++ b/src/mapper/mp_proto.h
@@ -3,6 +3,7 @@
 
 namespace fallout {
 
+extern char* proto_builder_name;
 extern bool can_modify_protos;
 
 void init_mapper_protos();
diff --git a/src/mapper/mp_targt.cc b/src/mapper/mp_targt.cc
index b654011..1ea92df 100644
--- a/src/mapper/mp_targt.cc
+++ b/src/mapper/mp_targt.cc
@@ -5,6 +5,7 @@
 #include "art.h"
 #include "game.h"
 #include "map.h"
+#include "mapper/mp_proto.h"
 #include "proto.h"
 #include "window_manager_private.h"
 
@@ -22,7 +23,17 @@ static bool tgt_overriden = false;
 // 0x49B2F0
 void target_override_protection()
 {
-    // TODO: Incomplete.
+    char* name;
+
+    tgt_overriden = true;
+
+    name = getenv("MAIL_NAME");
+    if (name != NULL) {
+        // NOTE: Unsafe, backing buffer is 32 byte max.
+        strcpy(proto_builder_name, strupr(name));
+    } else {
+        strcpy(proto_builder_name, "UNKNOWN");
+    }
 }
 
 // 0x49B2F0