diff --git a/game/music.zig b/game/music.zig
index 4171709..fef7a97 100644
--- a/game/music.zig
+++ b/game/music.zig
@@ -152,7 +152,7 @@ pub fn readFromFile(allocator: std.mem.Allocator, path: std.fs.Dir, file: std.fs
     self.fumen.* = try Fumen.readFromFile(allocator, fumen_file, path);
     errdefer self.fumen.deinit();
 
-    var ranking_path = try path.realpathAlloc(allocator, self.ranking_file_name);
+    const ranking_path = try path.realpathAlloc(allocator, self.ranking_file_name);
     defer allocator.free(ranking_path);
 
     var ranking_file = try std.fs.openFileAbsolute(ranking_path, .{});
diff --git a/game/ranking.zig b/game/ranking.zig
index f3bbbbd..d8a1730 100644
--- a/game/ranking.zig
+++ b/game/ranking.zig
@@ -38,7 +38,7 @@ pub fn getUTypingDate() UTypingDate {
     //Get the year and day
     var year_day = epoch_seconds.getEpochDay().calculateYearDay();
     //Get the year and month
-    var month_and_day = year_day.calculateMonthDay();
+    const month_and_day = year_day.calculateMonthDay();
 
     return .{
         .day = month_and_day.day_index,
@@ -120,7 +120,7 @@ pub fn readRanking(file: std.fs.File) !Self {
     }
 
     //In version 5, we now only store the exact number of scores, rather than all ranking_len scores.
-    var ranking_size: usize = if (version >= 5) @intCast(try reader.readInt(i32, .little)) else ranking_len;
+    const ranking_size: usize = if (version >= 5) @intCast(try reader.readInt(i32, .little)) else ranking_len;
 
     //Iterate through all the rankings and read the scores
     for (0..ranking_size) |i| {