diff --git a/SConstruct b/SConstruct
index 60c68a83b..2b0f716e7 100644
--- a/SConstruct
+++ b/SConstruct
@@ -1526,7 +1526,7 @@ if not preconfigured:
             if env['DEBUG']:
                 env.Append(CXXFLAGS = gcc_cxx_flags + '-O0 -fno-inline %s' % debug_flags)
             else:
-                env.Append(CXXFLAGS = gcc_cxx_flags + '-O%s -finline-functions -Wno-inline -Wno-parentheses -Wno-char-subscripts %s' % (env['OPTIMIZATION'],ndebug_flags))
+                env.Append(CXXFLAGS = gcc_cxx_flags + '-O%s -fno-strict-aliasing -finline-functions -Wno-inline -Wno-parentheses -Wno-char-subscripts %s' % (env['OPTIMIZATION'],ndebug_flags))
 
             if env['DEBUG_UNDEFINED']:
                 env.Append(CXXFLAGS = '-fcatch-undefined-behavior -ftrapv -fwrapv')