1 files changed, 2 insertions, 2 deletions
diff --git a/testhal/STM32/STM32F4xx/USB_CDC_IAD/main.c b/testhal/STM32/STM32F4xx/USB_CDC_IAD/main.c
index 84c7ec3fc..3b768f331 100644
--- a/testhal/STM32/STM32F4xx/USB_CDC_IAD/main.c
+++ b/testhal/STM32/STM32F4xx/USB_CDC_IAD/main.c
@@ -176,11 +176,11 @@ int main(void) {
       /* Waiting for an exit event then freeing terminated shells.*/
       chEvtWaitAny(EVENT_MASK(0));
       if (chThdTerminatedX(shelltp1)) {
-        chThdFreeToHeap(shelltp1);
+        chThdRelease(shelltp1);
         shelltp1 = NULL;
       }
       if (chThdTerminatedX(shelltp2)) {
-        chThdFreeToHeap(shelltp2);
+        chThdRelease(shelltp2);
         shelltp2 = NULL;
       }
     }