diff --git a/goextVersion.go b/goextVersion.go
index e08c894..4b02755 100644
--- a/goextVersion.go
+++ b/goextVersion.go
@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.161"
+const GoextVersion = "0.0.162"
 
-const GoextVersionTimestamp = "2023-06-11T16:35:20+0200"
+const GoextVersionTimestamp = "2023-06-11T16:38:47+0200"
diff --git a/wmo/reflection.go b/wmo/reflection.go
index af776fd..57be754 100644
--- a/wmo/reflection.go
+++ b/wmo/reflection.go
@@ -75,8 +75,8 @@ func (c *Coll[TData]) initFields(prefix string, rval reflect.Value, m map[string
 			continue
 		}
 		if strings.Contains(bsonkey, ",") {
-			bsonkey = bsonkey[:strings.Index(bsonkey, ",")]
 			bsontags = strings.Split(bsonkey[strings.Index(bsonkey, ",")+1:], ",")
+			bsonkey = bsonkey[:strings.Index(bsonkey, ",")]
 		}
 		if bsonkey == "-" {
 			continue