diff --git a/src/calibre/test_build.py b/src/calibre/test_build.py
index ad8f56b346..697c4bb27f 100644
--- a/src/calibre/test_build.py
+++ b/src/calibre/test_build.py
@@ -62,7 +62,7 @@ def test_plugins():
             bad.append((name, err))
     if bad:
         for name, err in bad:
-            print ('Failed to load plugin:', name, 'with error:\n', err)
+            print ('Failed to load plugin:', name, 'with error:\n', err, '\n')
         raise SystemExit(1)
     print ('Loaded all plugins successfully!')