diff --git a/SCons/Config/gnu b/SCons/Config/gnu
index ff5947f5..dd0dec24 100644
--- a/SCons/Config/gnu
+++ b/SCons/Config/gnu
@@ -83,6 +83,8 @@ if not defenv['DEBUG']:
 makensis_env.Append(CCFLAGS = '-Wall')            # all warnings
 
 conf = FlagsConfigure(makensis_env)
+conf.CheckLinkFlag('-m32')                        # 
+conf.CheckCompileFlag('-m32')                     #
 conf.CheckLinkFlag('$MAP_FLAG')                   # generate map file
 if not defenv['DEBUG'] and defenv['STRIP']:
 	TestStrip(conf)                                 # strip