diff --git a/monkey/monkey_island/monkey_island.spec b/monkey/monkey_island/monkey_island.spec
index 2d8e73e0a..cac232674 100644
--- a/monkey/monkey_island/monkey_island.spec
+++ b/monkey/monkey_island/monkey_island.spec
@@ -47,7 +47,7 @@ def is_windows():
 
 
 def is_32_bit():
-    return platform.architecture()[0] == "32bit"
+    return sys.maxsize <= 2**32
 
 
 def process_datas(orig_datas):