diff --git a/src/lazy_loader/__init__.py b/src/lazy_loader/__init__.py
index 645b116..78bc3ee 100644
--- a/src/lazy_loader/__init__.py
+++ b/src/lazy_loader/__init__.py
@@ -269,7 +269,7 @@ def myfunc():
             except ModuleNotFoundError as e:
                 raise ValueError(
                     f"Found module '{fullname}' but cannot test "
-                    "requirement '{require}'. "
+                    f"requirement '{require}'. "
                     "Requirements must match distribution name, not module name."
                 ) from e
 
diff --git a/tests/test_lazy_loader.py b/tests/test_lazy_loader.py
index b761fd2..8def656 100644
--- a/tests/test_lazy_loader.py
+++ b/tests/test_lazy_loader.py
@@ -261,7 +261,7 @@ def test_require_kwarg():
 
     # When a module can be loaded but the version can't be checked,
     # raise a ValueError
-    with pytest.raises(ValueError):
+    with pytest.raises(ValueError, match="requirement 'somepkg >= 1.0'"):
         lazy.load("math", require="somepkg >= 1.0")