diff --git a/src/emu/debug/dvmemory.c b/src/emu/debug/dvmemory.c
index 1bf14980893..5aa3929c8a1 100644
--- a/src/emu/debug/dvmemory.c
+++ b/src/emu/debug/dvmemory.c
@@ -61,7 +61,7 @@ debug_view_memory_source::debug_view_memory_source(const char *name, memory_regi
 		m_memintf(NULL),
 		m_base(region.base()),
 		m_length(region.bytes()),
-		m_offsetxor(NATIVE_ENDIAN_VALUE_LE_BE(region.bytewidth() - 1, 0)),
+		m_offsetxor(ENDIAN_VALUE_NE_NNE(region.endianness(), 0, region.bytewidth() - 1)),
 		m_endianness(region.endianness()),
 		m_prefsize(MIN(region.bytewidth(), 8))
 {
diff --git a/src/emu/emucore.h b/src/emu/emucore.h
index 73b9e75d9ca..b078f83b971 100644
--- a/src/emu/emucore.h
+++ b/src/emu/emucore.h
@@ -239,7 +239,7 @@ inline void operator--(_Type &value, int) { value = (_Type)((int)value - 1); }
 #define NATIVE_ENDIAN_VALUE_LE_BE(leval,beval)  ENDIAN_VALUE_LE_BE(ENDIANNESS_NATIVE, leval, beval)
 
 // endian-based value: first value is if 'endian' matches native, second is if 'endian' doesn't match native
-#define ENDIAN_VALUE_NE_NNE(endian,leval,beval) (((endian) == ENDIANNESS_NATIVE) ? (neval) : (nneval))
+#define ENDIAN_VALUE_NE_NNE(endian,neval,nneval) (((endian) == ENDIANNESS_NATIVE) ? (neval) : (nneval))
 
 
 // useful macros to deal with bit shuffling encryptions