diff --git a/gnu/packages/web.scm b/gnu/packages/web.scm
index 5296c43c53..fd1d6dd4c7 100644
--- a/gnu/packages/web.scm
+++ b/gnu/packages/web.scm
@@ -248,7 +248,12 @@ for efficient socket-like bidirectional reliable communication channels.")
               (sha256
                (base32
                 "10s7xxxx6pp4ydp3san69sa6q379ih3pv92fyi565ggmlw8igv7a"))
-              (file-name (string-append name "-" version ".tar.gz"))))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (modules '((guix build utils)))
+              (snippet
+               ;; Believe it or not, the .pc is invalid.  Fix it.
+               '(substitute* "libpsl.pc.in"
+                  (("-llibpsl") "-lpsl")))))
     (build-system gnu-build-system)
     (inputs `(("icu4c" ,icu4c)))
     ;; The release tarball lacks the generated files.