diff --git a/dangerzone/conversion/errors.py b/dangerzone/conversion/errors.py
index 694f437..2aeb38d 100644
--- a/dangerzone/conversion/errors.py
+++ b/dangerzone/conversion/errors.py
@@ -24,7 +24,7 @@ class ConversionException(Exception):
         return subclasses
 
 
-class QubesConversionStartFailed(ConversionException):
+class QubesQrexecFailed(ConversionException):
     error_code = 126  # No ERROR_SHIFT since this is a qrexec error
     error_message = (
         "Could not start a disposable qube for the file conversion. "
diff --git a/tests/isolation_provider/test_qubes.py b/tests/isolation_provider/test_qubes.py
index f8f6172..78ce9e2 100644
--- a/tests/isolation_provider/test_qubes.py
+++ b/tests/isolation_provider/test_qubes.py
@@ -83,6 +83,6 @@ class TestQubes(IsolationProviderTest):
 
         monkeypatch.setattr(provider, "qrexec_subprocess", qrexec_subprocess)
 
-        with pytest.raises(errors.QubesNotEnoughRAMError) as e:
+        with pytest.raises(errors.QubesQrexecFailed) as e:
             doc = Document(sample_doc)
             provider._convert(doc, ocr_lang=None)