diff --git a/src/soc/intel/apollolake/gpio.c b/src/soc/intel/apollolake/gpio.c
index ab0e0ed9a4..5a68878051 100644
--- a/src/soc/intel/apollolake/gpio.c
+++ b/src/soc/intel/apollolake/gpio.c
@@ -10,6 +10,7 @@
  * (at your option) any later version.
  */
 
+#include <assert.h>
 #include <soc/gpio.h>
 #include <soc/iosf.h>
 
@@ -37,6 +38,8 @@ static const struct pad_community *gpio_get_community(uint16_t pad)
 {
 	const struct pad_community *map = gpio_communities;
 
+	assert(pad < TOTAL_PADS);
+
 	while (map->first_pad > pad)
 		map++;