diff --git a/Source/Core/Core/HW/DVDInterface.cpp b/Source/Core/Core/HW/DVDInterface.cpp
index 679ac51cf9..fd3092309f 100644
--- a/Source/Core/Core/HW/DVDInterface.cpp
+++ b/Source/Core/Core/HW/DVDInterface.cpp
@@ -478,6 +478,7 @@ void Shutdown()
 
 const DiscIO::IVolume& GetVolume()
 {
+  _assert_(IsDiscInside());
   return *s_inserted_volume;
 }