diff --git a/tests/integration/config/test_schema.py b/tests/integration/config/test_schema.py
index c9c33cf6..30eb1c47 100644
--- a/tests/integration/config/test_schema.py
+++ b/tests/integration/config/test_schema.py
@@ -8,7 +8,7 @@ MAXIMUM_LINE_LENGTH = 80
 
 
 def test_schema_line_length_stays_under_limit():
-    schema_file = open('borgmatic/config/schema.yaml')
+    schema_file = open(borgmatic.config.validate.schema_filename())
 
     for line in schema_file.readlines():
         assert len(line.rstrip('\n')) <= MAXIMUM_LINE_LENGTH