diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index 6247919fec..f50856aca1 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -1029,14 +1029,14 @@ (define-public (make-libstdc++ gcc)
           (add-before 'configure 'chdir
             (lambda _
               (chdir "libstdc++-v3")))
-          #$@(let ((version (package-version gcc)))
-               (if (target-hurd64?)
-                   #~((add-after 'unpack 'patch-hurd64
-                        (lambda _
-                          (substitute* "libstdc++-v3/src/c++20/tzdb.cc"
-                            (("#if ! defined _GLIBCXX_ZONEINFO_DIR")
-                             "#if __GNU__ || ! defined _GLIBCXX_ZONEINFO_DIR")))))
-                   '())))
+
+          #$@(if (version>=? (package-version gcc) "14")
+                 #~((add-after 'unpack 'patch-tzdb.cc
+                      (lambda _
+                        (substitute* "libstdc++-v3/src/c++20/tzdb.cc"
+                          (("#if ! defined _GLIBCXX_ZONEINFO_DIR")
+                           "#if 1 // ! defined _GLIBCXX_ZONEINFO_DIR")))))
+                 '()))
 
       #:configure-flags '`("--disable-libstdcxx-pch"
                            ,(string-append "--with-gxx-include-dir="