diff --git a/gnu/packages/tcl.scm b/gnu/packages/tcl.scm
index 2c4c750997db7c74e66f74dc99e7ca50b63e36e6..ff487a84ddd441e991f314d61c137d184991a232 100644
--- a/gnu/packages/tcl.scm
+++ b/gnu/packages/tcl.scm
@@ -80,8 +80,7 @@ (define-public tcl
     (home-page "http://www.tcl.tk/")
     (synopsis "The Tcl scripting language")
     (description "The Tcl (Tool Command Language) scripting language.")
-    (license (non-copyleft "http://www.tcl.tk/software/tcltk/license.html"
-                        "Tcl/Tk license"))))
+    (license tcl/tk)))
 
 
 (define-public expect