diff --git a/src/pynwb/testing/testh5io.py b/src/pynwb/testing/testh5io.py
index 6b0bc3ae9..c7b3bfdcc 100644
--- a/src/pynwb/testing/testh5io.py
+++ b/src/pynwb/testing/testh5io.py
@@ -163,12 +163,12 @@ def getContainer(self, nwbfile):
     def validate(self):
         """ Validate the created files """
         if os.path.exists(self.filename):
-            errors = pynwb_validate(paths=[self.filename])
+            errors, _ = pynwb_validate(paths=[self.filename])
             if errors:
                 raise Exception("\n".join(errors))
 
         if os.path.exists(self.export_filename):
-            errors = pynwb_validate(paths=[self.export_filename])
+            errors, _ = pynwb_validate(paths=[self.export_filename])
             if errors:
                 raise Exception("\n".join(errors))
 
@@ -362,11 +362,11 @@ def roundtripExportContainer(self, cache_spec=True):
     def validate(self):
         """Validate the created files."""
         if os.path.exists(self.filename):
-            errors = pynwb_validate(paths=[self.filename])
+            errors, _ = pynwb_validate(paths=[self.filename])
             if errors:
                 raise Exception("\n".join(errors))
 
         if os.path.exists(self.export_filename):
-            errors = pynwb_validate(paths=[self.export_filename])
+            errors, _ = pynwb_validate(paths=[self.export_filename])
             if errors:
                 raise Exception("\n".join(errors))