diff --git a/guix/import/pypi.scm b/guix/import/pypi.scm
index 9c72e733143bb608a053c0b0f57afa6d30ccd68a..90dbe5612865261fd86602af64e20b84f8c40270 100644
--- a/guix/import/pypi.scm
+++ b/guix/import/pypi.scm
@@ -258,11 +258,7 @@ (define (make-pypi-sexp name version source-url wheel-url home-page synopsis
                        ;; Sometimes 'pypi-uri' doesn't quite work due to mixed
                        ;; cases in NAME, for instance, as is the case with
                        ;; "uwsgi".  In that case, fall back to a full URL.
-                       (uri ,(if (equal? (pypi-uri name version) source-url)
-                                 `(pypi-uri ,name version)
-                                 `(string-append
-                                   ,@(factorize-uri source-url version))))
-
+                       (uri (pypi-uri ,(string-downcase name) version))
                        (sha256
                         (base32
                          ,(guix-hash-url temp)))))