diff --git a/src/index.ts b/src/index.ts
index 29a8742..cd660ed 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -8,8 +8,11 @@ export { Workout, Interval, Comment } from "./ast";
 export { Duration } from "./Duration";
 export { Intensity, ConstantIntensity, RangeIntensity, FreeIntensity } from "./Intensity";
 export { ZoneType, intensityValueToZoneType } from "./ZoneType";
-export { ParseError } from "./parser/ParseError";
 export { SourceLocation } from "./parser/tokenizer";
+import { ParseError } from "./parser/ParseError";
+import { ValidationError } from "./parser/ValidationError";
+export type ZwiftoutException = ParseError | ValidationError;
+export { ParseError, ValidationError };
 
 // utils
 export { totalDuration } from "./stats/totalDuration";