diff --git a/rowers/utils.py b/rowers/utils.py
index e03d405e..8b710eb0 100644
--- a/rowers/utils.py
+++ b/rowers/utils.py
@@ -134,7 +134,10 @@ def dologging(filename,s):
         f.write('\n')
         f.write(timestamp)
         f.write(' ')
-        f.write(s)
+        try:
+            f.write(s)
+        except TypeError:
+            f.write(str(s))
 
 def to_pace(pace): # pragma: no cover
     minutes, seconds = divmod(pace,60)