diff --git a/confluent_client/confluent/client.py b/confluent_client/confluent/client.py
index a7c13cd3..a9957b96 100644
--- a/confluent_client/confluent/client.py
+++ b/confluent_client/confluent/client.py
@@ -595,7 +595,7 @@ def print_attrib_path(path, session, requestargs, options, rename=None, attrpref
                 else:
                     printmissing.add(attr)
         for missing in printmissing:
-            sys.stderr.write('Error: {0} not a valid attribute\n'.format(attr))
+            sys.stderr.write('Error: {0} not a valid attribute\n'.format(missing))
     return exitcode
 
 
@@ -705,6 +705,14 @@ def updateattrib(session, updateargs, nodetype, noderange, options, dictassign=N
                     noderange, 'attributes/all', dictassign[key], key)
     else:
         if "=" in updateargs[1]:
+            update_ready = True
+            for arg in updateargs[1:]:
+                if not '=' in arg:
+                    update_ready = False
+                    exitcode = 1
+            if not update_ready:
+                sys.stderr.write('Error: {0} Can not set and read at the same time!\n'.format(str(updateargs[1:])))
+                sys.exit(exitcode)
             try:
                 for val in updateargs[1:]:
                     val = val.split('=', 1)