diff --git a/Source/Core/DiscIO/Src/VolumeCommon.cpp b/Source/Core/DiscIO/Src/VolumeCommon.cpp
index c5c81c3cf0..de8c22334f 100644
--- a/Source/Core/DiscIO/Src/VolumeCommon.cpp
+++ b/Source/Core/DiscIO/Src/VolumeCommon.cpp
@@ -25,12 +25,14 @@ IVolume::ECountry CountrySwitch(u8 CountryCode)
 		// Region free - fall through to European defaults for now
 		case 'A':
 
+		case 'X': // Not a real region code. Used by DVDX 1.0 and
+			  // The Homebrew Channel versions 1.0.4 and earlier.
+
 		// PAL
 		case 'D':
 		case 'L': // Japanese import to PAL regions
 		case 'M': // Japanese import to PAL regions
 		case 'S': // Spanish-speaking regions
-		case 'X': // XIII <- uses X but is PAL rip
 		case 'P':
 			return IVolume::COUNTRY_EUROPE;
 			break;
@@ -45,7 +47,7 @@ IVolume::ECountry CountrySwitch(u8 CountryCode)
 
 		// NTSC
 		case 'E':
-		case 'N': // Japanese import to PAL regions
+		case 'N': // Japanese import to USA and other NTSC regions
 		case 'Z': // Prince Of Persia - The Forgotten Sands (WII)
 			return IVolume::COUNTRY_USA;
 			break;