diff --git a/wscript b/wscript
index b565c304..73f1a933 100644
--- a/wscript
+++ b/wscript
@@ -136,7 +136,7 @@ def build(bld):
 
   bld.program(
       source=cc_files,
-      cxxflags=['-g', '-O3', '-std=c++11', '-Wall', '-Werror'],
+      cxxflags=['-g', '-O3', '-std=c++11', '-Wall', '-Wno-sign-compare', '-Werror'],
       includes=[
         'third_party/',
         'third_party/doctest/',