diff --git a/gnu/packages/rdf.scm b/gnu/packages/rdf.scm
index ab6eb8940e..5102ebe921 100644
--- a/gnu/packages/rdf.scm
+++ b/gnu/packages/rdf.scm
@@ -348,4 +348,5 @@ (define-public python2-rdflib
         (append (package-inputs base)
                 `(("python2-nose" ,python2-nose))))
       (arguments
-        `(#:tests? #f))))) ; 3 tests fail, also outside Guix
+        `(#:python ,python-2
+          #:tests? #f))))) ; 3 tests fail, also outside Guix