diff --git a/Source/Contents/ShowRankingScheduler.cpp b/Source/Contents/ShowRankingScheduler.cpp
index 7ca7e05a..7d68f714 100644
--- a/Source/Contents/ShowRankingScheduler.cpp
+++ b/Source/Contents/ShowRankingScheduler.cpp
@@ -83,6 +83,8 @@ void CShowRankingScheduler::Process(const std::uint64_t& now) {
   this->schedule[32] = 0;
 }
 
+__declspec(noinline) std::map<int, RankingBoardStyle> RankingBoardStyles();
+
 // OFFSET: 0x006378D0
 // FUNCTION: fn_04738
 std::map<int, RankingBoardStyle> RankingBoardStyles() {
diff --git a/Source/Contents/ShowRankingScheduler.h b/Source/Contents/ShowRankingScheduler.h
index dc793c47..2cee8f34 100644
--- a/Source/Contents/ShowRankingScheduler.h
+++ b/Source/Contents/ShowRankingScheduler.h
@@ -21,7 +21,7 @@ public:
   CShowRankingScheduler(const std::uint64_t& start, const std::uint64_t& end, int extra);
   virtual ~CShowRankingScheduler() = default;
 
-  const void* SetData(const void* data);
+  __declspec(noinline) const void* SetData(const void* data);
   void Process(const std::uint64_t& now);
   void Show();