diff --git a/src/Paper-Bin.c b/src/Paper-Bin.c
index ed9681a..4e44394 100644
--- a/src/Paper-Bin.c
+++ b/src/Paper-Bin.c
@@ -23,6 +23,7 @@ void addScoreboard();
 void clearField();
 void generateField();
 void sortScoreboard();
+void buildBin(int width, int height);
 
 
 struct Player