diff --git a/gnu/packages/tcl.scm b/gnu/packages/tcl.scm
index 5fccfa5da9..c87a8187f2 100644
--- a/gnu/packages/tcl.scm
+++ b/gnu/packages/tcl.scm
@@ -230,15 +230,16 @@ X11 GUIs.")
                                           "/lib -lfontconfig")))))))
 
        #:configure-flags
+       ,#~
        (list (string-append "--with-tcl="
                             (assoc-ref %build-inputs "tcl")
                             "/lib")
              ;; This is needed when cross-compiling, see:
              ;; https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=719247
-             ,@(if (%current-target-system)
-                   '("tcl_cv_strtod_buggy=1"
-                     "ac_cv_func_strtod=yes")
-                   '()))
+             #$@(if (%current-target-system)
+                    #~("tcl_cv_strtod_buggy=1"
+                        "ac_cv_func_strtod=yes")
+                    #~()))
 
        ;; The tests require a running X server, so we just skip them.
        #:tests? #f))