--- a/kernel/conftest.sh
+++ b/kernel/conftest.sh
@@ -122,7 +122,7 @@ build_cflags() {
     CFLAGS="$BASE_CFLAGS $MACH_CFLAGS $OUTPUT_CFLAGS -I$HEADERS $AUTOCONF_CFLAGS"
 
     if [ "$ARCH" = "i386" -o "$ARCH" = "x86_64" -o "$ARCH" = "x86" ]; then
-        CFLAGS="$CFLAGS -I$SOURCES/arch/x86/include"
+        CFLAGS="$CFLAGS -I$SOURCES/arch/x86/include -I$SOURCES/arch/x86/include/generated"
     fi
     if [ -n "$BUILD_PARAMS" ]; then
         CFLAGS="$CFLAGS -D$BUILD_PARAMS"