diff --git a/brainbox/io/one.py b/brainbox/io/one.py
index c1c86726e..f783771bb 100644
--- a/brainbox/io/one.py
+++ b/brainbox/io/one.py
@@ -1017,7 +1017,7 @@ def timesprobe2times(self, values, direction='forward'):
         elif direction == 'reverse':
             return self._sync['reverse'](values) / self._sync['fs']
 
-    def samples2times(self, values, direction='forward'):
+    def samples2times(self, values, direction='forward', fs=None):
         """
         Converts ephys sample values to session main clock seconds
         :param values: numpy array of times in seconds or samples to resync
@@ -1026,6 +1026,10 @@ def samples2times(self, values, direction='forward'):
         :return:
         """
         self._get_probe_info()
+        fs = fs or self._sync['fs']
+        fs_ratio = self._sync['fs'] / fs
+        values = values * fs_ratio
+
         return self._sync[direction](values)
 
     @property