diff --git a/src/backend/hafas/types.nim b/src/backend/hafas/types.nim
index d03556e..f240045 100644
--- a/src/backend/hafas/types.nim
+++ b/src/backend/hafas/types.nim
@@ -29,8 +29,8 @@ type
   HafasProdCtx* = object
     name*:     string
     num*:      string
-    catOut*:   string
-    catOutL*:  string
+    catOut*:   Option[string]
+    catOutL*:  Option[string]
     lineId*:   Option[string]
 
   HafasProd* = object
diff --git a/src/types.nim b/src/types.nim
index 2c01fbc..e91a91d 100644
--- a/src/types.nim
+++ b/src/types.nim
@@ -83,8 +83,8 @@ type
     mode*:              Mode
     product*:           Product
     tripNum*:           string
-    productName*:       string
-    fullProductName*:   string
+    productName*:       Option[string]
+    fullProductName*:   Option[string]
     operator*:          Option[Operator]
     additionalName*:    Option[string]