diff --git a/src/driver-etekcity.c b/src/driver-etekcity.c
index f4f83387..19c40e92 100644
--- a/src/driver-etekcity.c
+++ b/src/driver-etekcity.c
@@ -56,6 +56,7 @@ print_key(uint8_t key)
 	case 3: return "BTN_MIDDLE";
 	case 4: return "2 x BTN_LEFT";
 	case 7: return "BTN_EXTRA";
+	case 6: return "NONE";
 	case 8: return "BTN_SIDE";
 	case 9: return "REL_WHEEL 1";
 	case 10: return "REL_WHEEL -1";
@@ -67,6 +68,8 @@ print_key(uint8_t key)
 	case 14: return "DPI++";
 	case 15: return "DPI--";
 
+	case 16: return "Macro";
+
 	/* Profile */
 	case 18: return "profile cycle";
 	case 19: return "profile++";
@@ -151,7 +154,7 @@ static struct etekcity_button_mapping etekcity_button_mapping[] = {
 	{ 13, BUTTON_ACTION_SPECIAL(RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_CYCLE_UP) },
 	{ 14, BUTTON_ACTION_SPECIAL(RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_UP) },
 	{ 15, BUTTON_ACTION_SPECIAL(RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_DOWN) },
-	{ 16, BUTTON_ACTION_NONE },
+	{ 16, BUTTON_ACTION_MACRO },
 	{ 17, BUTTON_ACTION_SPECIAL(RATBAG_BUTTON_ACTION_SPECIAL_PROFILE_CYCLE_UP) },
 	{ 18, BUTTON_ACTION_SPECIAL(RATBAG_BUTTON_ACTION_SPECIAL_PROFILE_UP) },
 	{ 19, BUTTON_ACTION_SPECIAL(RATBAG_BUTTON_ACTION_SPECIAL_PROFILE_DOWN) },
diff --git a/src/libratbag-private.h b/src/libratbag-private.h
index 743b7192..a9793f7f 100644
--- a/src/libratbag-private.h
+++ b/src/libratbag-private.h
@@ -199,6 +199,9 @@ struct ratbag_profile {
 #define BUTTON_ACTION_KEY(k_) \
  { .type = RATBAG_BUTTON_ACTION_TYPE_KEY, \
 	.action.key.key = k_ }
+#define BUTTON_ACTION_MACRO \
+ { .type = RATBAG_BUTTON_ACTION_TYPE_MACRO, \
+	/* FIXME: add the macro keys */ }
 
 struct ratbag_button_action {
 	enum ratbag_button_action_type type;
@@ -209,6 +212,7 @@ struct ratbag_button_action {
 			unsigned int key; /* action_type == key */
 			/* FIXME: modifiers */
 		} key;
+		/* FIXME: MACRO */
 	} action;
 };