diff --git a/env/object.go b/env/object.go
index ae93707d..6e1c2dee 100644
--- a/env/object.go
+++ b/env/object.go
@@ -1873,6 +1873,8 @@ func NewListFromSeries(block TSeries) List {
 			data[i] = k.Value
 		case List:
 			data[i] = k
+		case Dict:
+			data[i] = k
 		}
 	}
 	return List{data, Word{0}}
diff --git a/evaldo/builtins_json.go b/evaldo/builtins_json.go
index 62d5d402..8cde07fe 100644
--- a/evaldo/builtins_json.go
+++ b/evaldo/builtins_json.go
@@ -59,6 +59,8 @@ func RyeToJSON(res any) string {
 		return strconv.Itoa(int(v.Value))
 	case env.Decimal:
 		return strconv.Itoa(int(v.Value))
+	case env.List:
+		return ListToJSON(v)
 	case env.Dict:
 		return DictToJSON(v)
 	case env.Spreadsheet:
@@ -129,6 +131,20 @@ func EscapeJson(val string) string {
 	return res
 }
 
+// Inspect returns a string representation of the Integer.
+func ListToJSON(list env.List) string {
+	var bu strings.Builder
+	bu.WriteString("[")
+	for i, val := range list.Data {
+		if i > 0 {
+			bu.WriteString(", ")
+		}
+		bu.WriteString(RyeToJSON(val))
+	}
+	bu.WriteString("] ")
+	return bu.String()
+}
+
 // Inspect returns a string representation of the Integer.
 func DictToJSON(dict env.Dict) string {
 	var bu strings.Builder