diff --git a/entities/storage_entity.cpp b/entities/storage_entity.cpp
index 903250d..3e9aae3 100644
--- a/entities/storage_entity.cpp
+++ b/entities/storage_entity.cpp
@@ -75,3 +75,7 @@ void storage_entity::deserialize(QDataStream &input) {
 void storage_entity::preloadGlobalId(entity_id gid) {
     storage_entity::__global_id = gid;
 }
+
+entity_id storage_entity::GID() {
+    return storage_entity::__global_id;
+}
diff --git a/entities/storage_entity.h b/entities/storage_entity.h
index 253d387..0bc9f61 100644
--- a/entities/storage_entity.h
+++ b/entities/storage_entity.h
@@ -30,7 +30,8 @@ public:
 
     void serialize(QDataStream &output);
     void deserialize(QDataStream &input);
-    void preloadGlobalId(entity_id gid);
+    static void preloadGlobalId(entity_id gid);
+    static entity_id GID();
 };
 
 #endif // STORAGE_ENTITY_H
diff --git a/entities/vessel_entity.cpp b/entities/vessel_entity.cpp
index fa14841..9dc49aa 100644
--- a/entities/vessel_entity.cpp
+++ b/entities/vessel_entity.cpp
@@ -46,3 +46,7 @@ void vessel_entity::deserialize(QDataStream &input) {
 void vessel_entity::preloadGlobalId(entity_id gid) {
     vessel_entity::__global_id = gid;
 }
+
+entity_id vessel_entity::GID() {
+    return vessel_entity::__global_id;
+}
diff --git a/entities/vessel_entity.h b/entities/vessel_entity.h
index 9bede23..9a28810 100644
--- a/entities/vessel_entity.h
+++ b/entities/vessel_entity.h
@@ -27,6 +27,7 @@ public:
     void serialize(QDataStream &output);
     void deserialize(QDataStream &input);
     static void preloadGlobalId(entity_id gid);
+    static entity_id GID();
 };
 
 #endif // VESSEL_ENTITY_H