diff --git a/Make.defaults b/Make.defaults
index cf7a88e..b8a32b6 100755
--- a/Make.defaults
+++ b/Make.defaults
@@ -204,6 +204,10 @@ ifeq ($(ARCH),mips64el)
   ARCH3264 = -mabi=64
 endif
 
+ifeq ($(ARCH),loongarch64)
+EFI_CFLAGS += -mno-lsx -mno-lasx
+endif
+
 #
 # Set HAVE_EFI_OBJCOPY if objcopy understands --target efi-[app|bsdrv|rtdrv],
 # otherwise we need to compose the PE/COFF header using the assembler