diff --git a/qubes-rpc/qubes-notify-updates b/qubes-rpc/qubes-notify-updates
index 88ea6ce0..9ece7c42 100755
--- a/qubes-rpc/qubes-notify-updates
+++ b/qubes-rpc/qubes-notify-updates
@@ -44,7 +44,7 @@ def main():
 
     source_vm = qvm_collection.get_vm_by_name(source)
     if source_vm is None:
-        print >> sys.stderr, 'Domain ' + source + ' does not exists (?!)'
+        print >> sys.stderr, 'Domain ' + source + ' does not exist (?!)'
         exit(1)
 
     os.umask(0002)
@@ -89,4 +89,4 @@ def main():
         else:
             print >> sys.stderr, 'Ignoring notification of no updates'
 
-main()
\ No newline at end of file
+main()