diff --git a/.taskrc b/.taskrc
index 87a1068..2ad18d1 100644
--- a/.taskrc
+++ b/.taskrc
@@ -19,3 +19,8 @@ report.next.columns=id,start.age,entry.age,depends,priority,project,tags,recur,s
 
 # Remove blank lines and useless things like task totals in searches
 verbose=label,footnote,new-id,special,edit,project
+
+# Set priority co-efficients such that L reduces Urg, H increases it, and M doesn't change it
+urgency.uda.priority.L.coefficient=-1.0
+urgency.uda.priority.M.coefficient=0.0
+urgency.uda.priority.H.coefficient=1.0