diff --git a/src/js/rulesAssistant.js b/src/js/rulesAssistant.js
index 6766f0aa72082c3701b378c52dd7212087bed44b..2419b46e23752e9a1c378dc2a04fc1a08698daf4 100644
--- a/src/js/rulesAssistant.js
+++ b/src/js/rulesAssistant.js
@@ -354,7 +354,7 @@ App.RA.newRule = function() {
 			eyewear: null,
 			earwear: null,
 			setAssignment: null,
-			pitRules: 0,
+			pitRules: null,
 			facilityRemove: false,
 			removalAssignment: "rest",
 			surgery: emptySurgery(),