diff --git a/workspace_tools/targets.py b/workspace_tools/targets.py
index 670adb0a9d..359ba6b2e6 100644
--- a/workspace_tools/targets.py
+++ b/workspace_tools/targets.py
@@ -363,6 +363,8 @@ class LPC11C24(Target):
 
 
 class LPC11U35_401(Target):
+    ONLINE_TOOLCHAIN = "uARM"
+
     def __init__(self):
         Target.__init__(self)