diff --git a/libyang/schema.py b/libyang/schema.py
index f104a87..616c5c7 100644
--- a/libyang/schema.py
+++ b/libyang/schema.py
@@ -1545,7 +1545,7 @@ def default(self) -> Union[None, bool, int, str, float]:
                 val_type_cdata,
                 ffi.NULL,
             )
-            if ret != lib.LY_SUCCESS:
+            if ret not in (lib.LY_SUCCESS, lib.LY_EINCOMPLETE):
                 raise self.context.error("Unable to get real type of default value")
             self.cdata_default_realtype = Type(self.context, val_type_cdata[0], None)