diff --git a/src/clientobject.cpp b/src/clientobject.cpp
index 787efef29..bec9f46fd 100644
--- a/src/clientobject.cpp
+++ b/src/clientobject.cpp
@@ -26,8 +26,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	ClientActiveObject
 */
 
-core::map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
-
 ClientActiveObject::ClientActiveObject(u16 id):
 	ActiveObject(id)
 {
diff --git a/src/content_cao.cpp b/src/content_cao.cpp
index ab20f1a95..dc5ac400f 100644
--- a/src/content_cao.cpp
+++ b/src/content_cao.cpp
@@ -21,6 +21,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "tile.h"
 #include "environment.h"
 
+core::map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
+
 /*
 	TestCAO
 */
diff --git a/src/content_sao.cpp b/src/content_sao.cpp
index fc6f208a0..c41f4ed78 100644
--- a/src/content_sao.cpp
+++ b/src/content_sao.cpp
@@ -21,6 +21,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "collision.h"
 #include "environment.h"
 
+core::map<u16, ServerActiveObject::Factory> ServerActiveObject::m_types;
+
 /*
 	TestSAO
 */
diff --git a/src/serverobject.cpp b/src/serverobject.cpp
index 8acb35f6d..ce19ea34f 100644
--- a/src/serverobject.cpp
+++ b/src/serverobject.cpp
@@ -21,8 +21,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <fstream>
 #include "inventory.h"
 
-core::map<u16, ServerActiveObject::Factory> ServerActiveObject::m_types;
-
 ServerActiveObject::ServerActiveObject(ServerEnvironment *env, u16 id, v3f pos):
 	ActiveObject(id),
 	m_known_by_count(0),