diff --git a/Source/Core/Core/IOS/ES/Formats.cpp b/Source/Core/Core/IOS/ES/Formats.cpp
index 8e0879ef87..6a9053fbee 100644
--- a/Source/Core/Core/IOS/ES/Formats.cpp
+++ b/Source/Core/Core/IOS/ES/Formats.cpp
@@ -51,6 +51,11 @@ bool TMDReader::IsValid() const
   return true;
 }
 
+u64 TMDReader::GetIOSId() const
+{
+  return Common::swap64(m_bytes.data() + 0x184);
+}
+
 u64 TMDReader::GetTitleId() const
 {
   return Common::swap64(m_bytes.data() + 0x18C);
diff --git a/Source/Core/Core/IOS/ES/Formats.h b/Source/Core/Core/IOS/ES/Formats.h
index 33171b8aec..775f602451 100644
--- a/Source/Core/Core/IOS/ES/Formats.h
+++ b/Source/Core/Core/IOS/ES/Formats.h
@@ -29,6 +29,7 @@ public:
 
   bool IsValid() const;
 
+  u64 GetIOSId() const;
   u64 GetTitleId() const;
 
   struct Content