diff --git a/demos/STM32/RT-STM32F303-DISCOVERY/.project b/demos/STM32/RT-STM32F303-DISCOVERY/.project
index 7370bd916..e0220a2dd 100644
--- a/demos/STM32/RT-STM32F303-DISCOVERY/.project
+++ b/demos/STM32/RT-STM32F303-DISCOVERY/.project
@@ -24,6 +24,11 @@
org.eclipse.cdt.managedbuilder.core.ScannerConfigNature
+
+ board
+ 2
+ C:/ChibiStudio/chibios_trunk/os/hal/boards/ST_STM32F3_DISCOVERY
+
os
2