diff --git a/gnu/packages/guile-xyz.scm b/gnu/packages/guile-xyz.scm
index b5e2b865187..66bcab099fd 100644
--- a/gnu/packages/guile-xyz.scm
+++ b/gnu/packages/guile-xyz.scm
@@ -1549,8 +1549,7 @@ library}.")
                                              (assoc-ref inputs "guile"))
                                             "/dbi/dbi.scm"))
                     (ext (string-append out "/lib/libguile-dbi")))
-               (substitute* dbi.scm (("libguile-dbi") ext))
-               #t))))))
+               (substitute* dbi.scm (("libguile-dbi") ext))))))))
     (native-inputs
      `(("autoconf" ,autoconf)
        ("automake" ,automake)