diff --git a/Source/Contents/Items/RuneSystem.cpp b/Source/Contents/Items/RuneSystem.cpp
index dc87c426..e98649d1 100644
--- a/Source/Contents/Items/RuneSystem.cpp
+++ b/Source/Contents/Items/RuneSystem.cpp
@@ -240,7 +240,7 @@ int RuneSetData::CountActiveSlots() const {
   int count = 0;
   for (RuneData* rune : this->m_slots) {
     if (rune) {
-      count += rune->m_active;
+      count += rune->IsActive();
     }
   }
 
diff --git a/Source/Contents/Items/RuneSystem.h b/Source/Contents/Items/RuneSystem.h
index 8d8ffc2b..4ab0cd95 100644
--- a/Source/Contents/Items/RuneSystem.h
+++ b/Source/Contents/Items/RuneSystem.h
@@ -28,7 +28,7 @@ public:
 class RuneData {
 public:
   /* 0008 */ int m_kind;
-  /* 000C */ bool m_active;
+  /* 000C */ std::uint8_t m_active;
   /* 0010 */ std::int64_t m_id;
   /* 0018 */ std::string m_name;
   /* 0030 */ std::string m_resName;