diff --git a/README.rst b/README.rst
index 780aa87..d2acab8 100644
--- a/README.rst
+++ b/README.rst
@@ -36,6 +36,11 @@ under 10 minutes. Both tests on HFS+.
 Change Log
 ----------
 
+0.5.1
+~~~~~
+
+* bugfix: warn about test mode only in test mode
+
 0.5.0
 ~~~~~
 
diff --git a/src/bitrot.py b/src/bitrot.py
index 2afd638..97fe219 100644
--- a/src/bitrot.py
+++ b/src/bitrot.py
@@ -40,7 +40,7 @@ import tempfile
 
 CHUNK_SIZE = 16384
 DOT_THRESHOLD = 200
-VERSION = (0, 5, 0)
+VERSION = (0, 5, 1)
 
 
 def sha1(path):
@@ -198,7 +198,8 @@ def run(verbosity=1, test=False):
                     print(' ', path)
             if not any((new_paths, updated_paths, missing_paths)):
                 print()
-        print('warning: database file not updated on disk (test mode).')
+        if test:
+            print('warning: database file not updated on disk (test mode).')
     if error_count:
         sys.exit(1)