diff --git a/pdc_client/__init__.py b/pdc_client/__init__.py
index 5b980b5..6af32c0 100644
--- a/pdc_client/__init__.py
+++ b/pdc_client/__init__.py
@@ -193,6 +193,11 @@ def get_paged(self, res, **kwargs):
         if self.page_size:
             kwargs['page_size'] = self.page_size
 
+        if self.page_size in [0, -1]:
+            # When page-size is 0 or -1, which disable pagination.
+            kwargs['page_size'] = self.page_size
+            return res(**kwargs)
+
         def worker():
             kwargs['page'] = 1
             while True: