diff --git a/rowers/dataroutines.py b/rowers/dataroutines.py
index a3e06805..24ddf0cc 100644
--- a/rowers/dataroutines.py
+++ b/rowers/dataroutines.py
@@ -2177,11 +2177,14 @@ def dataplep(rowdatadf, id=0, inboard=0.88, forceunit='lbs', bands=True, barchar
     except TypeError:
         f = 0
     windowsize = 1
-    if f != 0 and not np.isinf(f):
-        try:
-            windowsize = 2 * (int(10. / (f))) + 1
-        except ValueError:
-            windowsize = 1
+    try:
+        if f != 0 and not np.isinf(f):
+            try:
+                windowsize = 2 * (int(10. / (f))) + 1
+            except ValueError:
+                windowsize = 1
+    except TypeError:
+        pass
 
     if windowsize <= 3:
         windowsize = 5
diff --git a/rowers/tests/testdata/testdata.tcx.gz b/rowers/tests/testdata/testdata.tcx.gz
index 04557774..cbfec837 100644
Binary files a/rowers/tests/testdata/testdata.tcx.gz and b/rowers/tests/testdata/testdata.tcx.gz differ