diff --git a/renderer/src/parser/modifiers.ts b/renderer/src/parser/modifiers.ts
index f9e7e626..6ac4e36d 100644
--- a/renderer/src/parser/modifiers.ts
+++ b/renderer/src/parser/modifiers.ts
@@ -72,6 +72,7 @@ export function statSourcesTotal (
   return (sources.length === 1)
     ? (sources[0].contributes)
     : (sources.reduce((sum, { contributes }) => {
+        // NOTE: this also sums up stats that have "flag" semantics
         contributes = contributes ?? { value: 1, min: 1, max: 1 }
         sum.value = fn(sum.value, contributes.value)
         sum.min = fn(sum.min, contributes.min)
@@ -98,15 +99,14 @@ export function translateStatWithRoll (
         : matchers.find(m => m.value == null && !m.negate)
     }
     if (!translation) {
-      translation =
-        matchers.find(m => m.value == null) ??
-        { string: `BUG_STAT_ID: ${calc.stat.ref}` }
+      translation = matchers.find(m => m.value == null)
+      if (!translation) throw new Error('never')
     }
   }
 
   const dp = (roll)
     ? calc.stat.dp ||
-      calc.sources.some(s => s.stat.stat.ref === calc.stat.ref && s.stat.roll!.dp)
+      calc.sources.some(s => s.stat.stat.ref === calc.stat.ref && s.stat.roll?.dp)
     : undefined
 
   return { string: translation.string, negate: translation.negate || false, dp: dp }