diff --git a/sys/modules/gpio/Makefile b/sys/modules/gpio/Makefile
index 666a842c8ac..c46f9aa73cd 100644
--- a/sys/modules/gpio/Makefile
+++ b/sys/modules/gpio/Makefile
@@ -25,6 +25,6 @@
 # SUCH DAMAGE.
 #
 
-SUBDIR = gpiobus gpioiic gpioled gpiopps
+SUBDIR = gpiobus gpioiic gpioled gpiopps gpiospi
 
 .include <bsd.subdir.mk>