ZSTD_OBJS += $(ZSTD)/common/fse_decompress.o $(ZSTD)/common/xxhash.o
 ZSTD_OBJS += $(ZSTD)/common/zstd_common.o
 ZSTD_OBJS += $(ZSTD)/decompress/huf_decompress.o
-#ifneq (,$(filter x86%, $(ARCH)))
+ifneq (,$(filter x86%, $(ARCH)))
 ZSTD_OBJS += $(ZSTD)/decompress/huf_decompress_amd64.o
-#endif
+endif
 ZSTD_OBJS += $(ZSTD)/decompress/zstd_ddict.o
 ZSTD_OBJS += $(ZSTD)/decompress/zstd_decompress_block.o
 ZSTD_OBJS += $(ZSTD)/decompress/zstd_decompress.o
 
 # x86/x86_64 generic
 else ifneq (,$(findstring x86,$(platform)))
        TARGET := $(TARGET_NAME)_libretro.so
-       ARCH := 86
+       ARCH := x86
         fpic := -fPIC
        SHARED := -shared
        CFLAGS += -DFAMEC_NO_GOTOS