diff --git a/monkey/infection_monkey/exploit/hadoop.py b/monkey/infection_monkey/exploit/hadoop.py
index 881ccf39d..1db521acd 100644
--- a/monkey/infection_monkey/exploit/hadoop.py
+++ b/monkey/infection_monkey/exploit/hadoop.py
@@ -36,6 +36,9 @@ class HadoopExploiter(WebRCE):
         self.add_vulnerable_urls(urls, True)
         if not self.vulnerable_urls:
             return False
+        # We presume hadoop works only on 64-bit machines
+        if self.host.os['type'] == 'windows':
+            self.host.os['machine'] = '64'
         paths = self.get_monkey_paths()
         if not paths:
             return False