diff --git a/bsp/smartfusion2/CMSIS/SConscript b/bsp/smartfusion2/CMSIS/SConscript
index 947c30da89..653a3b7fc6 100644
--- a/bsp/smartfusion2/CMSIS/SConscript
+++ b/bsp/smartfusion2/CMSIS/SConscript
@@ -5,7 +5,7 @@ cwd = GetCurrentDir()
 src	= Glob('*.c')
 
 if rtconfig.CROSS_TOOL == 'gcc':
-    src += ['startup_gcc/startup_m2sxxx.s']
+    src += ['startup_gcc/startup_m2sxxx.S']
     
 elif rtconfig.CROSS_TOOL == 'keil':
     src += ['startup_arm/startup_m2sxxx.s']