diff --git a/test/Model/TypesSpec.hs b/test/Model/TypesSpec.hs
index 15e9377d5..10da379ed 100644
--- a/test/Model/TypesSpec.hs
+++ b/test/Model/TypesSpec.hs
@@ -298,7 +298,7 @@ instance Arbitrary CsvOptions where
   arbitrary = CsvOptions
     <$> arbitrary
     <*> arbitrary
-    <*> arbitrary
+    <*> suchThat arbitrary (maybe True $ not . elem (Char.chr 0))
   shrink = genericShrink
 
 instance Arbitrary CsvPreset where