diff --git a/servo_controller/src/command_handler.c b/servo_controller/src/command_handler.c
index aa18c2d..e694d1e 100644
--- a/servo_controller/src/command_handler.c
+++ b/servo_controller/src/command_handler.c
@@ -99,7 +99,7 @@ int command_handler(struct command_message_t *msg) {
 		}
 
 		case ADC_READ_ALL: {
-			uint32_t mask = 0b1111111111111111;
+			uint32_t mask = 0b111111111111111111;
 
 			adc_add_mask(mask);