1 files changed, 1 insertions, 1 deletions
diff --git a/testhal/STM32L1xx/ADC/main.c b/testhal/STM32L1xx/ADC/main.c
index c7c7622a8..706ec690e 100644
--- a/testhal/STM32L1xx/ADC/main.c
+++ b/testhal/STM32L1xx/ADC/main.c
@@ -78,7 +78,7 @@ static msg_t Thread1(void *arg) {
   while (TRUE) {
     palSetPad(GPIOB, GPIOB_LED4);
     chThdSleepMilliseconds(500);
-    palSetPad(GPIOB, GPIOB_LED4);
+    palClearPad(GPIOB, GPIOB_LED4);
     chThdSleepMilliseconds(500);
   }
 }