diff --git a/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/main_polycopter.c b/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/main_polycopter.c
index 39b2fe7a..3d7e8a45 100644
--- a/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/main_polycopter.c
+++ b/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/main_polycopter.c
@@ -438,7 +438,7 @@ void ISR_0_Handler(void) {
     x = STRETCH_i32(inp);
     x = FUNCTION_9(x);
     WASTE_USEC(WC_SWITCH(TRANSLATE_9(15, 50), 50));
-    xTaskNotifyFromISR(xTask_CopterControlTask, 0, eNoAction, NULL);
+    xTaskNotifyFromISR(xTask_CopterControlTask, MAKE_OUTPUT, eNoAction, NULL);
     WASTE_USEC(WC_SWITCH(TRANSLATE_10(15, 50), 50));
   }
 }