diff --git a/src/util/error.ts b/src/util/error.ts
index b1940dd71..d98cd9b8e 100644
--- a/src/util/error.ts
+++ b/src/util/error.ts
@@ -4,17 +4,19 @@ import { Template } from '../template/template'
 
 export abstract class LiquidError extends Error {
   private token: Token
+  private context: string
   private originalError: Error
   public constructor (err: Error, token: Token) {
     super(err.message)
     this.originalError = err
     this.token = token
+    this.context = ''
   }
   protected update () {
     const err = this.originalError
-    const context = mkContext(this.token)
+    this.context = mkContext(this.token)
     this.message = mkMessage(err.message, this.token)
-    this.stack = this.message + '\n' + context +
+    this.stack = this.message + '\n' + this.context +
       '\n' + this.stack + '\nFrom ' + err.stack
   }
 }