diff --git a/Source/Core/Core/IOS/SDIO/SDIOSlot0.cpp b/Source/Core/Core/IOS/SDIO/SDIOSlot0.cpp
index d75135d5b9..a832c66b38 100644
--- a/Source/Core/Core/IOS/SDIO/SDIOSlot0.cpp
+++ b/Source/Core/Core/IOS/SDIO/SDIOSlot0.cpp
@@ -61,6 +61,8 @@ void SDIOSlot0::DoState(PointerWrap& p)
   p.Do(m_block_length);
   p.Do(m_bus_width);
   p.Do(m_registers);
+  p.Do(m_protocol);
+  p.Do(m_sdhc_supported);
 }
 
 void SDIOSlot0::EventNotify()
@@ -501,7 +503,7 @@ u32 SDIOSlot0::GetOCRegister() const
   return ocr;
 }
 
-std::array<u32, 4> SDIOSlot0::GetCSDv1()
+std::array<u32, 4> SDIOSlot0::GetCSDv1() const
 {
   u64 size = m_card.GetSize();
 
@@ -577,13 +579,13 @@ std::array<u32, 4> SDIOSlot0::GetCSDv1()
   constexpr u32 crc = 0;
 
   // Form the csd using the description above
-  return {
+  return {{
       0x007f003, 0x5b5f8000 | (c_size >> 2), 0x3ffc7f80 | (c_size << 30) | (c_size_mult << 15),
       0x07c04001 | (crc << 1),
-  };
+  }};
 }
 
-std::array<u32, 4> SDIOSlot0::GetCSDv2()
+std::array<u32, 4> SDIOSlot0::GetCSDv2() const
 {
   const u64 size = m_card.GetSize();
 
@@ -632,9 +634,9 @@ std::array<u32, 4> SDIOSlot0::GetCSDv2()
   constexpr u32 crc = 0;
 
   // Form the csd using the description above
-  return {
+  return {{
       0x400e005a, 0x5f590000 | (c_size >> 16), 0x00007f80 | (c_size << 16), 0x0a400001 | (crc << 1),
-  };
+  }};
 }
 
 u64 SDIOSlot0::GetAddressFromRequest(u32 arg) const
diff --git a/Source/Core/Core/IOS/SDIO/SDIOSlot0.h b/Source/Core/Core/IOS/SDIO/SDIOSlot0.h
index 6f0f0255c6..ee6e3115e0 100644
--- a/Source/Core/Core/IOS/SDIO/SDIOSlot0.h
+++ b/Source/Core/Core/IOS/SDIO/SDIOSlot0.h
@@ -145,8 +145,8 @@ private:
 
   u32 GetOCRegister() const;
 
-  std::array<u32, 4> GetCSDv1();
-  std::array<u32, 4> GetCSDv2();
+  std::array<u32, 4> GetCSDv1() const;
+  std::array<u32, 4> GetCSDv2() const;
   void InitSDHC();
 
   u64 GetAddressFromRequest(u32 arg) const;
diff --git a/Source/Core/Core/State.cpp b/Source/Core/Core/State.cpp
index 9af7b25439..73ce9271af 100644
--- a/Source/Core/Core/State.cpp
+++ b/Source/Core/Core/State.cpp
@@ -73,7 +73,7 @@ static Common::Event g_compressAndDumpStateSyncEvent;
 static std::thread g_save_thread;
 
 // Don't forget to increase this after doing changes on the savestate system
-static const u32 STATE_VERSION = 88;  // Last changed in PR 5733
+static const u32 STATE_VERSION = 89;  // Last changed in PR 5890
 
 // Maps savestate versions to Dolphin versions.
 // Versions after 42 don't need to be added to this list,