diff --git a/minizinc.iro b/minizinc.iro
index 92ffb69..4bd0c94 100644
--- a/minizinc.iro
+++ b/minizinc.iro
@@ -164,7 +164,7 @@ main : context {
 
     : pattern {
         description     = logical operator
-        regex          \= (\bnot\b|<->|->|<-|\\/|xor|/\\)
+        regex          \= (\bnot\b|<->|->|<-|\\/|\bxor\b|/\\)
         styles []       = .operator;
     }