diff --git a/oi grandad/DspNetworks/Networks/grans4.xml b/oi grandad/DspNetworks/Networks/grans4.xml
index 87e7365..275b882 100644
--- a/oi grandad/DspNetworks/Networks/grans4.xml
+++ b/oi grandad/DspNetworks/Networks/grans4.xml
@@ -301,7 +301,7 @@
+ MaxValue="0"/>