diff --git a/script/local.py b/script/local.py
index b0b8d684..b844fa49 100644
--- a/script/local.py
+++ b/script/local.py
@@ -214,10 +214,13 @@ def append_diag_datasets(parent = None):
         parent = get_exec_pars().group
     group = parent + "attrs/"
     for f in diag_channels:
-        x = f.read()
-        if x is None:
-            x = '' if (type(f) is ch.psi.pshell.epics.ChannelString) else float('nan')
-        append_dataset(group+get_diag_name(f), x)
+        try:
+            x = f.read()
+            if x is None:
+                x = '' if (type(f) is ch.psi.pshell.epics.ChannelString) else float('nan')
+            append_dataset(group+get_diag_name(f), x)
+        except:
+            log("Error sampling " + str(get_diag_name(f)) + ": " + str(sys.exc_info()[1]))
 
 
 def wait_beam():