diff --git a/package/ctcgfw/rtl8821cu/Makefile b/package/ctcgfw/rtl8821cu/Makefile
index 5c70507cce..b8aa7d9bf2 100644
--- a/package/ctcgfw/rtl8821cu/Makefile
+++ b/package/ctcgfw/rtl8821cu/Makefile
@@ -42,16 +42,19 @@ EXTRA_KCONFIG:=\
 	USER_MODULE_NAME=rtl8821cu
 
 ifeq ($(ARCH),aarch64)
-       EXTRA_KCONFIG+= CONFIG_MP_VHT_HW_TX_MODE=n
+	EXTRA_KCONFIG += CONFIG_MP_VHT_HW_TX_MODE=n
 endif
 
-
 EXTRA_CFLAGS:= \
 	-DRTW_USE_CFG80211_STA_EVENT \
 	-DCONFIG_RADIO_WORK \
 	-DCONFIG_IOCTL_CFG80211 \
 	-DCONFIG_CONCURRENT_MODE \
 
+ifeq ($(ARCH),x86_64)
+	EXTRA_CFLAGS += -mhard-float
+endif
+
 MAKE_OPTS:= \
 	$(KERNEL_MAKE_FLAGS) \
 	M="$(PKG_BUILD_DIR)" \
diff --git a/package/ctcgfw/rtl8821cu/patches/010-remove-useless-cflags.patch b/package/ctcgfw/rtl8821cu/patches/010-remove-extra-cflags.patch
similarity index 100%
rename from package/ctcgfw/rtl8821cu/patches/010-remove-useless-cflags.patch
rename to package/ctcgfw/rtl8821cu/patches/010-remove-extra-cflags.patch