diff --git a/kernel/Kbuild b/kernel/Kbuild
index 85aa267..baa6986 100644
--- a/kernel/Kbuild
+++ b/kernel/Kbuild
@@ -61,6 +61,7 @@ $(foreach _module, $(NV_KERNEL_MODULES), \
 # $(EXTRA_CFLAGS) to ccflags-y for compatibility.
 #
 
+EXTRA_CFLAGS += -std=gnu17
 EXTRA_CFLAGS += -I$(src)/common/inc
 EXTRA_CFLAGS += -I$(src)
 EXTRA_CFLAGS += -Wall -MD $(DEFINES) $(INCLUDES) -Wsign-compare -Wno-cast-qual -Wno-error
diff --git a/kernel/conftest.sh b/kernel/conftest.sh
index 4da7588..1106ea5 100755
--- a/kernel/conftest.sh
+++ b/kernel/conftest.sh
@@ -151,7 +151,7 @@ test_headers() {
 }
 
 build_cflags() {
-    BASE_CFLAGS="-O2 -D__KERNEL__ \
+    BASE_CFLAGS="-std=gnu17 -O2 -D__KERNEL__ \
 -DKBUILD_BASENAME=\"#conftest$$\" -DKBUILD_MODNAME=\"#conftest$$\" \
 -nostdinc -isystem $ISYSTEM \
 -Wno-implicit-function-declaration -Wno-strict-prototypes -Wno-incompatible-pointer-types"