diff --git a/Tools/Conf/tools_def.template b/Tools/Conf/tools_def.template
index 07be9dec58..9a99fa4c79 100644
--- a/Tools/Conf/tools_def.template
+++ b/Tools/Conf/tools_def.template
@@ -404,7 +404,7 @@ RELEASE_VS2005PRO_X64_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4086 /OPT:REF
 *_ELFGCC_IA32_PP_NAME      = gcc
 *_ELFGCC_IA32_VFRPP_NAME   = gcc
 
-*_ELFGCC_IA32_CC_FLAGS     = -g -fshort-wchar -fno-strict-aliasing -Wall -malign-double -c -include ${DEST_DIR_DEBUG}/AutoGen.h -DSTRING_ARRAY_NAME=${BASE_NAME}Strings
+*_ELFGCC_IA32_CC_FLAGS     = -g -fshort-wchar -Wall -Werror -c -include ${DEST_DIR_DEBUG}/AutoGen.h -DSTRING_ARRAY_NAME=${BASE_NAME}Strings
 *_ELFGCC_*_DLINK_FLAGS     = -nostdlib -n -q -Ttext 0x220 --entry ${ENTRYPOINT} -u ${ENTRYPOINT}
 *_ELFGCC_*_ASM_FLAGS       = -c -imacros ${DEST_DIR_DEBUG}/AutoGen.h -DASM_PFX(name)=name
 *_ELFGCC_*_PP_FLAGS        = -E -x assembler-with-cpp -include ${DEST_DIR_DEBUG}/AutoGen.h