diff --git a/src/core/parser.scala b/src/core/parser.scala
index c2be5ee..d468e1c 100644
--- a/src/core/parser.scala
+++ b/src/core/parser.scala
@@ -155,7 +155,7 @@ object JsonParseError:
 
 import JsonParseError.Reason
 
-case class JsonParseError(line: Int, col: Int, reason: Reason)
+case class JsonParseError(line: Int, col: Int, reason: Reason)(using Diagnostics)
 extends Error(m"Could not parse JSON because $reason at ${line + 1}:${col + 1}")
 
 export JsonAst.RawJson as JsonAst