diff --git a/examples/stm32/FreeRTOSConfig.h b/examples/stm32/FreeRTOSConfig.h
index 55f62d3..e4785fe 100644
--- a/examples/stm32/FreeRTOSConfig.h
+++ b/examples/stm32/FreeRTOSConfig.h
@@ -63,7 +63,7 @@ extern uint32_t SystemCoreClock;
 #define configMAX_PRIORITIES (5)
 #endif
 #define configMINIMAL_STACK_SIZE ((unsigned short) 50)
-#define configTOTAL_HEAP_SIZE ((size_t)(32 * 1024))
+#define configTOTAL_HEAP_SIZE (size_t)(32 * 1024)
 #define configMAX_TASK_NAME_LEN (10)
 #define configUSE_TRACE_FACILITY 1
 #define configUSE_16_BIT_TICKS 0