diff -Nru nsis-2.23-src.orig/SCons/Config/gnu nsis-2.23-src/SCons/Config/gnu
--- nsis-2.23-src.orig/SCons/Config/gnu	2007-01-27 14:20:12.000000000 +0200
+++ nsis-2.23-src/SCons/Config/gnu	2007-01-27 14:21:56.000000000 +0200
@@ -56,6 +56,8 @@
 
 if defenv['DEBUG']:
 	defenv.Append(CCFLAGS = '-g')
+defenv.Append(CCFLAGS = '-m32')             # 32-bit host
+defenv.Append(LINKFLAGS = '-m32')           # 32-bit host
 
 ### stub environment