diff --git a/tests/conftest.py b/tests/conftest.py
index c356a18..0701086 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -83,7 +83,7 @@ def load_schema_db(schema):
 
         # load data
         for sql_path in sorted(glob.glob(os.path.join(schema_dir, '*.sql'))):
-            process = subprocess.Popen(['psql', '--single-transaction', database_name, '-f', sql_path],
+            process = subprocess.Popen(['psql', '-c', '\\set ON_ERROR_STOP on', '--single-transaction', database_name, '-f', sql_path],
                                        stdout=subprocess.PIPE,
                                        stderr=subprocess.PIPE)
             stdout, stderr = process.communicate()