diff --git a/src/backend/graph.cpp b/src/backend/graph.cpp
index 31435c32..e1593c54 100644
--- a/src/backend/graph.cpp
+++ b/src/backend/graph.cpp
@@ -38,6 +38,9 @@
 using namespace std;
 
 namespace loot {
+    typedef boost::graph_traits<PluginGraph>::vertex_iterator vertex_it;
+    typedef boost::graph_traits<PluginGraph>::edge_descriptor edge_t;
+    typedef boost::graph_traits<PluginGraph>::edge_iterator edge_it;
     struct cycle_detector : public boost::dfs_visitor < > {
         cycle_detector() {}
 
diff --git a/src/backend/graph.h b/src/backend/graph.h
index 64261ae3..4d7f97da 100644
--- a/src/backend/graph.h
+++ b/src/backend/graph.h
@@ -36,9 +36,6 @@ namespace loot {
 
     typedef boost::adjacency_list<boost::listS, boost::listS, boost::directedS, loot::Plugin> PluginGraph;
     typedef boost::graph_traits<PluginGraph>::vertex_descriptor vertex_t;
-    typedef boost::graph_traits<PluginGraph>::vertex_iterator vertex_it;
-    typedef boost::graph_traits<PluginGraph>::edge_descriptor edge_t;
-    typedef boost::graph_traits<PluginGraph>::edge_iterator edge_it;
 
     std::list<Plugin> Sort(PluginGraph& graph);
 }