1 files changed, 2 insertions, 0 deletions

diff --git a/sim.h b/sim.h
index 0a46c89..6532294 100644
--- a/sim.h
+++ b/sim.h
@@ -30,6 +30,8 @@
 #include "alphabetparameters.h"
 #include "game.h"
 
+using std::vector;
+
 namespace Quackle
 {