diff --git a/exerr/gin.go b/exerr/gin.go
index 1f4cfaf..14d1b9d 100644
--- a/exerr/gin.go
+++ b/exerr/gin.go
@@ -15,10 +15,10 @@ func (ee *ExErr) toJson(depth int, applyExtendListener bool, outputMeta bool) la
 		ginJson["id"] = ee.UniqueID
 	}
 	if ee.Category != CatWrap {
-		ginJson["category"] = ee.Category
+		ginJson["category"] = ee.Category.Category
 	}
 	if ee.Type != TypeWrap {
-		ginJson["type"] = ee.Type
+		ginJson["type"] = ee.Type.Key
 	}
 	if ee.StatusCode != nil {
 		ginJson["statuscode"] = ee.StatusCode
@@ -30,7 +30,7 @@ func (ee *ExErr) toJson(depth int, applyExtendListener bool, outputMeta bool) la
 		ginJson["caller"] = ee.Caller
 	}
 	if ee.Severity != SevErr {
-		ginJson["severity"] = ee.Severity
+		ginJson["severity"] = ee.Severity.Severity
 	}
 	if ee.Timestamp != (time.Time{}) {
 		ginJson["time"] = ee.Timestamp.Format(time.RFC3339)
diff --git a/goextVersion.go b/goextVersion.go
index 90dd53f..e9d2a2d 100644
--- a/goextVersion.go
+++ b/goextVersion.go
@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.439"
+const GoextVersion = "0.0.440"
 
-const GoextVersionTimestamp = "2024-04-25T11:47:16+0200"
+const GoextVersionTimestamp = "2024-04-29T16:03:58+0200"