diff --git a/dangerzone/isolation_provider/qubes.py b/dangerzone/isolation_provider/qubes.py
index 958802e85..f8f86bdcc 100644
--- a/dangerzone/isolation_provider/qubes.py
+++ b/dangerzone/isolation_provider/qubes.py
@@ -83,7 +83,7 @@ def terminate_doc_to_pixels_proc(
         """Terminate a spawned disposable qube.
 
         Qubes does not offer a way out of the box to terminate disposable Qubes from
-        domX [1]. Our best bet is to close the standard streams of the process, and hope
+        domU [1]. Our best bet is to close the standard streams of the process, and hope
         that the disposable qube will attempt to read/write to them, and thus receive an
         EOF.