diff --git a/FreeRTOS/Demo/CORTEX_M4_ATSAM4S_Atmel_Studio/src/FreeRTOSConfig.h b/FreeRTOS/Demo/CORTEX_M4_ATSAM4S_Atmel_Studio/src/FreeRTOSConfig.h
index 61e1cda19..55c84b01d 100644
--- a/FreeRTOS/Demo/CORTEX_M4_ATSAM4S_Atmel_Studio/src/FreeRTOSConfig.h
+++ b/FreeRTOS/Demo/CORTEX_M4_ATSAM4S_Atmel_Studio/src/FreeRTOSConfig.h
@@ -73,7 +73,7 @@
  * executed prior to this project being built.  Once it has been executed 
  * remove the #error line below.
  */
-//#error Ensure CreateProjectDirectoryStructure.bat has been executed before building.  See comment immediately above.
+#error Ensure CreateProjectDirectoryStructure.bat has been executed before building.  See comment immediately above.
 
 /*-----------------------------------------------------------
  * Application specific definitions.