diff --git a/src/research.c b/src/research.c
index 8221114..138e393 100644
--- a/src/research.c
+++ b/src/research.c
@@ -8,7 +8,7 @@
  ****************************************/
 
 #include <stdio.h>
-#include "research.h"
+#include "game.h"
 
 int reserach (void) {