diff --git a/artiq/dashboard/moninj.py b/artiq/dashboard/moninj.py
index d015f5384..e677231f8 100644
--- a/artiq/dashboard/moninj.py
+++ b/artiq/dashboard/moninj.py
@@ -158,6 +158,9 @@ class _TTLHandler:
         self.widget.level_toggled.connect(self.level_toggled)
         self.refresh_display()
 
+    def to_model_path(self):
+        return "ttl/{}".format(self.title)
+
 
 class _DDSWidget(QtWidgets.QFrame):
     apply_changes = QtCore.pyqtSignal()
@@ -351,6 +354,9 @@ class _DDSHandler:
     def off_clicked(self):
         self.dm.dds_channel_toggle(self.dds_name, sw=False)
 
+    def to_model_path(self):
+        return "dds/{}".format(self.title)
+
 
 class _DACWidget(QtWidgets.QFrame):
     def __init__(self, channel, title):
@@ -401,6 +407,9 @@ class _DACHandler:
         if self.widget is not None:
             self.widget.set_value(self.cur_value * 100 / 2**16)
 
+    def to_model_path(self):
+        return "dac/{} ch{}".format(self.title, self.channel)
+
 
 class Model(DictSyncTreeSepModel):
     def __init__(self, init):
@@ -413,7 +422,7 @@ class Model(DictSyncTreeSepModel):
 
     def update(self, d):
         for k, v in d.items():
-            self[str(k)] = v
+            self[v.to_model_path()] = v
 
 
 class _AddChannelDialog(QtWidgets.QDialog):