diff --git a/src/Zoomba/APILibrary.py b/src/Zoomba/APILibrary.py
index c245a474..2e6e44f2 100644
--- a/src/Zoomba/APILibrary.py
+++ b/src/Zoomba/APILibrary.py
@@ -361,7 +361,10 @@ def _key_by_key_list(self, key, value, actual_dictionary, unmatched_keys_list=No
                                 "\nActual: " + str(actual_dictionary[key]))
                     continue
             else:
-                actual_item = actual_dictionary[key][index]
+                if len(actual_dictionary[key]) == 0:
+                    actual_item = ''
+                else:
+                    actual_item = actual_dictionary[key][index]
                 temp_actual_dict = {key: actual_item}
                 temp_expected_dict = {key: item}
                 if unmatched_keys_list:
diff --git a/test/API/test_validate.py b/test/API/test_validate.py
index 1f70970f..d4bbb959 100644
--- a/test/API/test_validate.py
+++ b/test/API/test_validate.py
@@ -106,6 +106,12 @@ def test_key_by_key_validator_list_int(self):
         library = APILibrary()
         library.key_by_key_validator({"a": [1]}, {"a": [1]})
 
+    def test_key_by_key_validator_list_empty_fail(self):
+        library = APILibrary()
+        unmatched = []
+        library.key_by_key_validator({"a": []}, {"a": [1]}, unmatched_keys_list=unmatched)
+        assert unmatched == [('------------------\nKey: a[0]', 'Expected: 1', 'Actual: ')]
+
     def test_key_by_key_validator_simple_ignored_key(self):
         library = APILibrary()
         library.key_by_key_validator({"a": ["1"]}, {"a": ["1"]}, ["a"])