diff --git a/guix/licenses.scm b/guix/licenses.scm
index 86929b1719894418a05e5500f5b4bf7c8c518744..86f3ae4e82f265433ff9f3babfea472b3831ea3d 100644
--- a/guix/licenses.scm
+++ b/guix/licenses.scm
@@ -41,6 +41,7 @@ (define-module (guix licenses)
             imlib2
             lgpl2.0 lgpl2.0+ lgpl2.1 lgpl2.1+ lgpl3 lgpl3+
             mpl1.1 mpl2.0
+            ncsa
             openldap2.8 openssl
             psfl public-domain
             qpl
@@ -249,6 +250,11 @@ (define mpl2.0
            "http://directory.fsf.org/wiki/License:MPLv2.0"
            "https://www.gnu.org/licenses/license-list#MPL-2.0"))
 
+(define ncsa
+  (license "NCSA/University of Illinois Open Source License"
+           "http://directory.fsf.org/wiki/License:IllinoisNCSA"
+           "https://www.gnu.org/licenses/license-list#NCSA"))
+
 (define openssl
   (license "OpenSSL"
            "http://directory.fsf.org/wiki/License:OpenSSL"