diff --git a/Makefile b/Makefile
index ab7d47a896..497ab89622 100644
--- a/Makefile
+++ b/Makefile
@@ -117,7 +117,7 @@ endif
 ASFLAGS := -march=vr4300 -32 -Iinclude
 
 ifeq ($(COMPILER),gcc)
-  CFLAGS += -G 0 -nostdinc $(INC) -DAVOID_UB -march=vr4300 -mfix4300 -mabi=32 -mno-abicalls -mdivide-breaks -fno-zero-initialized-in-bss -fno-toplevel-reorder -ffreestanding -fno-common -fno-merge-constants -mno-explicit-relocs -mno-split-addresses $(CHECK_WARNINGS) -funsigned-char
+  CFLAGS += -G 0 -nostdinc $(INC) -D AVOID_UB -march=vr4300 -mfix4300 -mabi=32 -mno-abicalls -mdivide-breaks -fno-zero-initialized-in-bss -fno-toplevel-reorder -ffreestanding -fno-common -fno-merge-constants -mno-explicit-relocs -mno-split-addresses $(CHECK_WARNINGS) -funsigned-char
   MIPS_VERSION := -mips3
 else 
   # we support Microsoft extensions such as anonymous structs, which the compiler does support but warns for their usage. Surpress the warnings with -woff.