diff --git a/test/test_util_script_detector_weighted.py b/test/test_util_script_detector_weighted.py
index c3da820a6..00ebf37aa 100644
--- a/test/test_util_script_detector_weighted.py
+++ b/test/test_util_script_detector_weighted.py
@@ -72,6 +72,9 @@ class WeightedScriptDetectionTest(PicardTestCase):
         scripts = detect_script_weighted("1234567890+-/*=,./!?")
         self.assertEqual(scripts, {})
 
+        scripts = detect_script_weighted("")
+        self.assertEqual(scripts, {})
+
 
 class ListScriptWeightedTest(PicardTestCase):