diff --git a/DataStructures/ImportEdge.h b/DataStructures/ImportEdge.h
index 27fc3cfe8..a90cd474d 100644
--- a/DataStructures/ImportEdge.h
+++ b/DataStructures/ImportEdge.h
@@ -123,6 +123,13 @@ public:
     bool _backward:1;
 };
 
+struct MinimalEdgeData {
+public:
+    EdgeWeight distance;
+    bool forward;
+    bool backward;
+};
+
 typedef NodeBasedEdge ImportEdge;
 
 #endif // EDGE_H
diff --git a/test/.stxxl b/test/.stxxl
index d26050d7f..b1765e2c0 100644
--- a/test/.stxxl
+++ b/test/.stxxl
@@ -1 +1 @@
-disk=/tmp/stxxl,1,syscall
+disk=/tmp/stxxl,10,syscall