diff --git a/SConstruct b/SConstruct
index c2e62ac..e33447f 100644
--- a/SConstruct
+++ b/SConstruct
@@ -56,6 +56,12 @@ AddOption('--stack-protection',
             help = 'Build with stack protection support'
 )
 
+AddOption('--32',
+            dest='force32bit',
+            action='store_true',
+            default=False,
+            help='Force building for 32 bit architecture'
+)
 
 build_type = GetOption('build_type')
 assertions = GetOption('assertions')
@@ -85,6 +91,10 @@ env.Append(LINKFLAGS = ['-O2', '-pthread'])
 env.Append(CPPDEFINES = ['_FILE_OFFSET_BITS=64'])
 env.Append(CPPPATH = ['#include'])
 
+if GetOption('force32bit'):
+    env.Append(CFLAGS = ['-m32'])
+    env.Append(LINKFLAGS = ['-m32'])
+
 if build_type == 'release':
     env.Append(CFLAGS = ['-O2'])