diff --git a/.guix-channel b/.guix-channel
index bac6c6d..4dc9c50 100644
--- a/.guix-channel
+++ b/.guix-channel
@@ -11,4 +11,13 @@
     (name glicid)
     (url "https://gitlab.univ-nantes.fr/glicid-public/guix-glicid.git")
     (branch "main"))
+(channel
+        (name 'nonguix)
+        (url "https://gitlab.com/nonguix/nonguix")
+        ;; Enable signature verification:
+        (introduction
+         (make-channel-introduction
+          "897c1a470da759236cc11798f4e0a5f7d4d59fbc"
+          (openpgp-fingerprint
+           "2A39 3FFF 68F4 EF7A 3D29  12AF 6F51 20A0 22FB B2D5"))))
 ))
diff --git a/glicid-tainted/packages/chemistry.scm b/glicid-tainted/packages/chemistry.scm
index b889df4..ff28547 100644
--- a/glicid-tainted/packages/chemistry.scm
+++ b/glicid-tainted/packages/chemistry.scm
@@ -274,8 +274,7 @@ hwloc ;; openmpi-glicid-waves openssh-sans-x ;; ssh is because openmpi use rsh a
 
     (inputs
          (modify-inputs (package-inputs gromacs)
-              (append cuda 
-hwloc openmpi-glicid-waves openssh-sans-x ;; ssh is because openmpi use rsh and tests use it !
+              (append cuda nvidia-driver hwloc openmpi-glicid-waves openssh-sans-x ;; ssh is because openmpi use rsh and tests use it !
 ))))
 )