diff --git a/SConstruct b/SConstruct
index df76e5be1c..467b8dc1c4 100644
--- a/SConstruct
+++ b/SConstruct
@@ -207,7 +207,7 @@ if not OSX:
 DEBUGFLAGS  = ['-g', '-DDEBUG']
 
 env.Append(CCFLAGS = ['-pthread', '-Wall', '-Wno-sign-compare', '-Wno-char-subscripts']+DEBUGFLAGS)
-env.Append(CXXFLAGS = ['-O0', '-pthread', '-Wno-invalid-offsetof', '-Wformat']+DEBUGFLAGS)
+env.Append(CXXFLAGS = ['-O1', '-pthread', '-Wno-invalid-offsetof', '-Wformat']+DEBUGFLAGS)
 
 
 # RTTI is required for Beast and CountedObject.