diff --git a/tests/pypi.scm b/tests/pypi.scm
index 28cc115a9d..74f13e9662 100644
--- a/tests/pypi.scm
+++ b/tests/pypi.scm
@@ -131,8 +131,7 @@ (define test-metadata
                      ('version "1.0.0")
                      ('source ('origin
                                 ('method 'url-fetch)
-                                ('uri (string-append "https://example.com/foo-"
-                                                     version ".tar.gz"))
+                                ('uri ('pypi-uri "foo" 'version))
                                 ('sha256
                                  ('base32
                                   (? string? hash)))))
@@ -194,8 +193,7 @@ (define test-metadata
                    ('version "1.0.0")
                    ('source ('origin
                               ('method 'url-fetch)
-                              ('uri (string-append "https://example.com/foo-"
-                                                   version ".tar.gz"))
+                              ('uri ('pypi-uri "foo" 'version))
                               ('sha256
                                ('base32
                                 (? string? hash)))))