diff --git a/src/sys/gpio/hasp_gpio.h b/src/sys/gpio/hasp_gpio.h
index 8ff2fad3..62ec3beb 100644
--- a/src/sys/gpio/hasp_gpio.h
+++ b/src/sys/gpio/hasp_gpio.h
@@ -12,13 +12,14 @@ extern "C" {
 
 struct hasp_gpio_config_t
 {
-    uint8_t pin;           // pin number
-    uint8_t group;         // groupid
-    uint8_t type;          // switch, button, ...
-    uint8_t gpio_function; // INPUT, OUTPUT, PULLUP, etc
+    uint8_t gpio_function : 8; // INPUT, OUTPUT, PULLUP, etc
+    uint8_t pin : 8;           // pin number
+    uint8_t group : 6;         // groupid
+    uint8_t inverted : 1;
+    uint8_t power : 1;
+    uint8_t type; // switch, button, ...
     uint16_t val;
     uint16_t max;
-    bool inverted;
 };
 
 void gpioSetup(void);