1 files changed, 5 insertions, 2 deletions

diff --git a/bitbake/lib/bb/ui/depexp.py b/bitbake/lib/bb/ui/depexp.py
index dcf7e6e2f3..b62adbf851 100644
--- a/bitbake/lib/bb/ui/depexp.py
+++ b/bitbake/lib/bb/ui/depexp.py
@@ -199,10 +199,13 @@ class gtkthread(threading.Thread):
 def main(server, eventHandler):
     try:
         cmdline = server.runCommand(["getCmdLineAction"])
-        if not cmdline or cmdline[0] != "generateDotGraph":
+        if cmdline and not cmdline['action']:
+            print(cmdline['msg'])
+            return
+        elif not cmdline or (cmdline['action'] and cmdline['action'][0] != "generateDotGraph"):
             print("This UI is only compatible with the -g option")
             return
-        ret = server.runCommand(["generateDepTreeEvent", cmdline[1], cmdline[2]])
+        ret = server.runCommand(["generateDepTreeEvent", cmdline['action'][1], cmdline['action'][2]])
         if ret != True:
             print("Couldn't run command! %s" % ret)
             return