diff --git a/backend/src/data/entities/CounterTrigger.ts b/backend/src/data/entities/CounterTrigger.ts
index 71b6bf52..91cbf995 100644
--- a/backend/src/data/entities/CounterTrigger.ts
+++ b/backend/src/data/entities/CounterTrigger.ts
@@ -17,7 +17,7 @@ export function getReverseCounterComparisonOp(op: TriggerComparisonOp): TriggerC
   return REVERSE_OPS[op];
 }
 
-const comparisonStringRegex = new RegExp(`^(${TRIGGER_COMPARISON_OPS.join("|")})([1-9]\\d*)$`);
+const comparisonStringRegex = new RegExp(`^(${TRIGGER_COMPARISON_OPS.join("|")})(\\d*)$`);
 
 /**
  * @return Parsed comparison op and value, or null if the comparison string was invalid