diff --git a/lib/refrepo/valid/data/homogeneity.yaml.erb b/lib/refrepo/valid/data/homogeneity.yaml.erb
index 2a9583c24286ee2463bb1f25860e2d8c399129ed..e7f8ad5f18e79c0719bbb26ee53561f30fec9056 100644
--- a/lib/refrepo/valid/data/homogeneity.yaml.erb
+++ b/lib/refrepo/valid/data/homogeneity.yaml.erb
@@ -32,6 +32,9 @@ nancy:
     - ~gpu_devices.nvidia1.vbios_version
     - ~gpu_devices.nvidia2.vbios_version
     - ~gpu_devices.nvidia3.vbios_version
+  graffiti-[9-11]:
+    - ~gpu_devices.nvidia2.vbios_version
+    - ~gpu_devices.nvidia3.vbios_version
   graphique-[1-2]:
     - ~gpu.gpu_model
     - ~gpu.gpu_cores