diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 0d7035df4e..72dccd04bf 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -8755,4 +8755,4 @@ (define-public scilab
 statistical analysis, image enhancement, fluid dynamics simulations, numerical
 optimization, and modeling, simulation of explicit and implicit dynamical
 systems and symbolic manipulations.")
-    (license license:gpl2)))
+    (license license:cecill)))                    ;CeCILL v2.1