diff --git a/depends/packages/wolfssl.mk b/depends/packages/wolfssl.mk
index d40e99d03..0c32d2de2 100644
--- a/depends/packages/wolfssl.mk
+++ b/depends/packages/wolfssl.mk
@@ -20,6 +20,7 @@ $(package)_download_path=https://github.com/wolfSSL/wolfssl/archive
 $(package)_download_file=v$($(package)_version)-stable.tar.gz
 
 define $(package)_set_vars
+$(package)_cflags+=-std=gnu17
 $(package)_config_env=AR="$($(package)_ar)" RANLIB="$($(package)_ranlib)" CC="$($(package)_cc)"
 $(package)_config_opts=--prefix=$(host_prefix)
 $(package)_config_opts+=--host=$(host)
@@ -64,7 +65,7 @@ endef
 #endef
 
 define $(package)_build_cmds
-  $(MAKE) CPPFLAGS='-fPIC -std=gnu17' -j$(nproc) src/libwolfssl.la
+  $(MAKE) CPPFLAGS='-fPIC' -j$(nproc) src/libwolfssl.la
 endef
 
 define $(package)_stage_cmds
diff --git a/util/build.sh b/util/build.sh
index f9ddf99fa..b362f2d11 100755
--- a/util/build.sh
+++ b/util/build.sh
@@ -127,7 +127,7 @@ as --version | tail -n1
 ld -v
 autoconf --version
 
-HOST="$HOST" BUILD="$BUILD" "$MAKE" CFLAGS='-std=gnu17' "$@" -C ./depends/ V=1
+HOST="$HOST" BUILD="$BUILD" "$MAKE" "$@" -C ./depends/ V=1
 
 time ./autogen.sh