diff --git a/include/interface/romtype.hpp b/include/interface/romtype.hpp
index 8e90840b..3bc9ea1b 100644
--- a/include/interface/romtype.hpp
+++ b/include/interface/romtype.hpp
@@ -45,7 +45,7 @@ struct core_vma_info
 	uint64_t size;
 	void* backing_ram;
 	bool readonly;
-	bool native_endian;
+	int endian;
 	uint8_t (*iospace_rw)(uint64_t offset, uint8_t data, bool write);
 };
 
diff --git a/src/core/memorymanip.cpp b/src/core/memorymanip.cpp
index b5e93f26..cb1f9b0f 100644
--- a/src/core/memorymanip.cpp
+++ b/src/core/memorymanip.cpp
@@ -92,7 +92,7 @@ void refresh_cart_mappings() throw(std::bad_alloc)
 			if(i.iospace_rw)
 				tmp = new iospace_region(i.name, i.base, i.size, i.iospace_rw);
 			else
-				tmp = new memory_region_direct(i.name, i.base, i.native_endian ? 0 : -1,
+				tmp = new memory_region_direct(i.name, i.base, i.endian,
 					reinterpret_cast<uint8_t*>(i.backing_ram), i.size, i.readonly);
 			regions.push_back(tmp);
 			tmp = NULL;
diff --git a/src/emulation/bsnes-legacy/core.cpp b/src/emulation/bsnes-legacy/core.cpp
index 77ac8e5e..a46833d2 100644
--- a/src/emulation/bsnes-legacy/core.cpp
+++ b/src/emulation/bsnes-legacy/core.cpp
@@ -491,7 +491,7 @@ namespace
 		i.base = base;
 		i.size = size;
 		i.readonly = false;
-		i.native_endian = false;
+		i.endian = -1;
 		i.iospace_rw = iospace_rw;
 		inf.push_back(i);
 	}
@@ -507,7 +507,7 @@ namespace
 		i.size = size;
 		i.backing_ram = memory;
 		i.readonly = readonly;
-		i.native_endian = native_endian;
+		i.endian = native_endian ? 0 : -1;
 		i.iospace_rw = NULL;
 		inf.push_back(i);
 	}
diff --git a/src/emulation/gambatte/core.cpp b/src/emulation/gambatte/core.cpp
index db0374ca..dc5805df 100644
--- a/src/emulation/gambatte/core.cpp
+++ b/src/emulation/gambatte/core.cpp
@@ -198,7 +198,7 @@ namespace
 		sram.base = 0x20000;
 		sram.size = g.second;
 		sram.backing_ram = g.first;
-		sram.native_endian = false;
+		sram.endian = -1;
 		sram.readonly = false;
 		sram.iospace_rw = NULL;
 
@@ -207,7 +207,7 @@ namespace
 		wram.base = 0;
 		wram.size = g2.second;
 		wram.backing_ram = g2.first;
-		wram.native_endian = false;
+		wram.endian = -1;
 		wram.readonly = false;
 		wram.iospace_rw = NULL;
 
@@ -216,7 +216,7 @@ namespace
 		vram.base = 0x10000;
 		vram.size = g3.second;
 		vram.backing_ram = g3.first;
-		vram.native_endian = false;
+		vram.endian = -1;
 		vram.readonly = false;
 		vram.iospace_rw = NULL;
 
@@ -225,7 +225,7 @@ namespace
 		ioamhram.base = 0x18000;
 		ioamhram.size = g4.second;
 		ioamhram.backing_ram = g4.first;
-		ioamhram.native_endian = false;
+		ioamhram.endian = -1;
 		ioamhram.readonly = false;
 		ioamhram.iospace_rw = NULL;
 
@@ -233,7 +233,7 @@ namespace
 		rom.base = 0x80000000;
 		rom.size = romdata.size();
 		rom.backing_ram = (void*)&romdata[0];
-		rom.native_endian = false;
+		rom.endian = -1;
 		rom.readonly = true;
 		rom.iospace_rw = NULL;