diff --git a/glicid/packages/glicid.scm b/glicid/packages/glicid.scm
index 536d974..37fce3a 100644
--- a/glicid/packages/glicid.scm
+++ b/glicid/packages/glicid.scm
@@ -337,7 +337,7 @@
    (synopsis "Xmgrace")
    (description "xmgrace")
    (home-page "https://sourceforge.net/untested")
-   (license " ")
+   (license license:gpl2+) ;; probably not
 
  )
 )