diff --git a/tests/reference/prefs_novelwriter.conf b/tests/reference/novelwriter_prefs.conf
similarity index 100%
rename from tests/reference/prefs_novelwriter.conf
rename to tests/reference/novelwriter_prefs.conf
diff --git a/tests/test_dialogs.py b/tests/test_dialogs.py
index 8b6b62d3..07f64e8b 100644
--- a/tests/test_dialogs.py
+++ b/tests/test_dialogs.py
@@ -903,9 +903,9 @@ def testPreferences(qtbot, nwMinimal, nwTemp, nwRef, tmpConf):
 
     nwGUI.closeMain()
 
-    refConf = path.join(nwRef, "prefs_novelwriter.conf")
+    refConf = path.join(nwRef, "novelwriter_prefs.conf")
     projConf = path.join(nwGUI.mainConf.confPath, "novelwriter.conf")
-    testConf = path.join(nwTemp, "prefs_novelwriter.conf")
+    testConf = path.join(nwTemp, "novelwriter_prefs.conf")
     copyfile(projConf, testConf)
     ignoreLines = [
         2,                          # Timestamp