diff --git a/src/core.cpp b/src/core.cpp
index 231f792..568c468 100644
--- a/src/core.cpp
+++ b/src/core.cpp
@@ -22,7 +22,7 @@ bool get_day()
     return day;
 }
 
-void load(int score)
+void load(long long score)
 {
     record = score;
 }
diff --git a/src/core.h b/src/core.h
index 9e5305a..02fbced 100644
--- a/src/core.h
+++ b/src/core.h
@@ -30,7 +30,7 @@ extern pipe pipes[3];
 extern bird BIRD;
 
 bool get_day();
-void load(int score);
+void load(long long score);
 long long save();
 long long get_score();
 long long get_state();