diff --git a/vunit/test/bench_list.py b/vunit/test/bench_list.py
index 8cc13d035..68a5f011e 100644
--- a/vunit/test/bench_list.py
+++ b/vunit/test/bench_list.py
@@ -45,7 +45,10 @@ def _add_test_bench(self, test_bench):
         self._libraries[test_bench.library_name][test_bench.name] = test_bench
 
     def get_test_bench(self, library_name, name):
-        return self._libraries[library_name][name]
+        try:
+            return self._libraries[library_name][name]
+        except KeyError:
+            return self._libraries[library_name][name.lower()] 
 
     def get_test_benches_in_library(self, library_name):
         return list(self._libraries.get(library_name, {}).values())
diff --git a/vunit/ui/library.py b/vunit/ui/library.py
index b57e78e04..840080e74 100644
--- a/vunit/ui/library.py
+++ b/vunit/ui/library.py
@@ -486,8 +486,6 @@ def test_bench(self, name):
         :returns: A :class:`.TestBench` object
         :raises: KeyError
         """
-        name = name.lower()
-
         return TestBench(self._test_bench_list.get_test_bench(self._library_name, name), self)
 
     def get_test_benches(self, pattern="*", allow_empty=False):