diff --git a/SConscript b/SConscript
index 062661557a..5546e6f719 100644
--- a/SConscript
+++ b/SConscript
@@ -381,7 +381,7 @@ env.Append(CPPPATH='./libelf')
 # Debug binary
 debugEnv = env.Copy(OBJSUFFIX='.do')
 debugEnv.Label = 'debug'
-debugEnv.Append(CCFLAGS=Split('-g -gstabs+ -O0'))
+debugEnv.Append(CCFLAGS=Split('-g -gdwarf-2 -O0'))
 debugEnv.Append(CPPDEFINES='DEBUG')
 tlist = debugEnv.Program(target = 'm5.debug',
                          source = make_objs(sources, debugEnv))