diff --git a/tasks.c b/tasks.c
index 24cfb2620..1e6ecdc9e 100644
--- a/tasks.c
+++ b/tasks.c
@@ -893,7 +893,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
         BaseType_t xCurrentCoreTaskPriority;
         BaseType_t xLowestPriorityCore = ( BaseType_t ) -1;
         BaseType_t xCoreID;
-        const BaseType_t xCurrentCoreID = portGET_CORE_ID();
+        const BaseType_t xCurrentCoreID = ( BaseType_t ) portGET_CORE_ID();
 
         #if ( configRUN_MULTIPLE_PRIORITIES == 0 )
             BaseType_t xYieldCount = 0;