diff --git a/tasks.c b/tasks.c
index 1046791a4..735b79974 100644
--- a/tasks.c
+++ b/tasks.c
@@ -2636,7 +2636,9 @@ BaseType_t xYieldOccurred;
 	/* Use xPendedTicks to mimic xTicksToCatchUp number of ticks occurring when
 	the scheduler is suspended so the ticks are executed in xTaskResumeAll(). */
 	vTaskSuspendAll();
+	taskENTER_CRITICAL();
 	xPendedTicks += xTicksToCatchUp;
+	taskEXIT_CRITICAL();
 	xYieldOccurred = xTaskResumeAll();
 
 	return xYieldOccurred;