diff --git a/Core/Src/PCA9685.c b/Core/Src/PCA9685.c
index 65d9114..6772093 100644
--- a/Core/Src/PCA9685.c
+++ b/Core/Src/PCA9685.c
@@ -40,6 +40,8 @@ void PCA9685_run_test(void)
 				display_write_data_seq("/5 ");
 
 				switch (op_result) {
+				case HAL_OK:
+					break;
 				case HAL_ERROR:
 					display_write_data_seq("ERROR");
 					break;