diff --git a/bsp/mini2440/rtconfig.py b/bsp/mini2440/rtconfig.py
index cf6637b48159de57254d5abc116c19de79c6696d..3940eb183d721325e10e4fc0ae7c0bddc8161216 100644
--- a/bsp/mini2440/rtconfig.py
+++ b/bsp/mini2440/rtconfig.py
@@ -39,8 +39,8 @@ if PLATFORM == 'gcc':
     LPATH = ''
 
     if BUILD == 'debug':
-        CFLAGS += ' -O0 -gdwarf-2'
-        AFLAGS += ' -gdwarf-2'
+        CFLAGS += ' -O0 -gstabs+'
+        AFLAGS += ' -gstabs+'
     else:
         CFLAGS += ' -O2'