diff --git a/scripts/set_user_id.py b/scripts/set_user_id.py
index 905d1675..f9523832 100755
--- a/scripts/set_user_id.py
+++ b/scripts/set_user_id.py
@@ -132,7 +132,7 @@ if __name__ == '__main__':
         # Convert to binary
         try:
             user_id_int = int('0x' + user_id_value, 0)
-            user_id_bits = '{0:032b}'.format(user_id_int)
+            user_id_bits = '{0:032b}'.format(user_id_int)[::-1]
         except:
             user_project_path = arguments[0]
 
@@ -170,7 +170,7 @@ if __name__ == '__main__':
 
             try:
                 user_id_int = int('0x' + user_id_value, 0)
-                user_id_bits = '{0:032b}'.format(user_id_int)
+                user_id_bits = '{0:032b}'.format(user_id_int)[::-1]
             except:
                 print('Error:  Cannot parse user ID "' + user_id_value + '" as an 8-digit hex number.')
                 sys.exit(1)