diff --git a/src/libretro/Makefile b/src/libretro/Makefile
index bb67a911..9dc70b52 100644
--- a/src/libretro/Makefile
+++ b/src/libretro/Makefile
@@ -298,7 +298,7 @@ else ifeq ($(platform), wii)
 	CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
 	CXX = $(DEVKITPPC)/bin/powerpc-eabi-g++$(EXE_EXT)
 	AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
-	ENDIANNESS_DEFINES += -DMSB_FIRST
+	ENDIANNESS_DEFINES += -DMSB_FIRST -DWORDS_BIGENDIAN=1
 	PLATFORM_DEFINES += -DGEKKO -DHW_RVL -mrvl -mcpu=750 -meabi -mhard-float -D__ppc__
 	PLATFORM_DEFINES += -U__INT32_TYPE__ -U __UINT32_TYPE__ -D__INT32_TYPE__=int
 	STATIC_LINKING=1
@@ -310,7 +310,7 @@ else ifeq ($(platform), wiiu)
 	CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
 	CXX = $(DEVKITPPC)/bin/powerpc-eabi-g++$(EXE_EXT)
 	AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
-	ENDIANNESS_DEFINES += -DMSB_FIRST
+	ENDIANNESS_DEFINES += -DMSB_FIRST -DWORDS_BIGENDIAN=1
 	PLATFORM_DEFINES += -DGEKKO -DWIIU -DHW_RVL -mwup -mcpu=750 -meabi -mhard-float -D__ppc__
 	PLATFORM_DEFINES += -U__INT32_TYPE__ -U __UINT32_TYPE__ -D__INT32_TYPE__=int
 	STATIC_LINKING=1