diff --git a/src/drivers/Qt/iNesHeaderEditor.cpp b/src/drivers/Qt/iNesHeaderEditor.cpp
index f0c6c351..f01485fa 100644
--- a/src/drivers/Qt/iNesHeaderEditor.cpp
+++ b/src/drivers/Qt/iNesHeaderEditor.cpp
@@ -1334,12 +1334,9 @@ bool iNesHeaderEditor_t::WriteHeaderData(iNES_HEADER* header)
 
 	if (mapper < 4096)
 	{
-		if (mapper < 256)
-		{
-			_header.ROM_type |= (mapper & 0xF) << 4;
-			_header.ROM_type2 |= (mapper & 0xF0);
-		} 
-		else
+		_header.ROM_type |= (mapper & 0xF) << 4;
+		_header.ROM_type2 |= (mapper & 0xF0);
+		if (mapper >= 256)
 		{
 			if (ines20)
 			{