diff --git a/serialization/object_serialization.nim b/serialization/object_serialization.nim
index 1219a87..2e6ebe7 100644
--- a/serialization/object_serialization.nim
+++ b/serialization/object_serialization.nim
@@ -131,14 +131,15 @@ macro enumAllSerializedFieldsImpl(T: type, body: untyped): untyped =
 
     result.add quote do:
       block:
-        `fieldNameDefs`
+        when compiles(type(`field`)):
+          `fieldNameDefs`
 
-        type FieldType {.inject, used.} = type(`field`)
+          type FieldType {.inject, used.} = type(`field`)
 
-        template fieldCaseDiscriminator: auto {.used.} = `discriminator`
-        template fieldCaseBranches: auto {.used.} = `branches`
+          template fieldCaseDiscriminator: auto {.used.} = `discriminator`
+          template fieldCaseBranches: auto {.used.} = `branches`
 
-        `body`
+          `body`
 
     i += 1