diff --git a/wscript b/wscript
index 10485b3..e40a286 100644
--- a/wscript
+++ b/wscript
@@ -41,7 +41,7 @@ def configure(conf):
             "-pipe"
             ]
 
-    debug_flags = [ '-g' ]
+    debug_flags = [ '-O0', '-g3' ]
 
 
     if Options.options.debug: