diff --git a/bsp/stm32/stm32f103-dofly-M3S/applications/SConscript b/bsp/stm32/stm32f103-dofly-M3S/applications/SConscript
index 04f04dd543..ca2395451a 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/applications/SConscript
+++ b/bsp/stm32/stm32f103-dofly-M3S/applications/SConscript
@@ -4,7 +4,7 @@ from building import *
 
 cwd = GetCurrentDir()
 src = Glob('*.c')
-CPPPATH = [cwd, str(Dir('#'))]
+CPPPATH = [cwd]
 
 group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)