diff --git a/rowers/dataprepnodjango.py b/rowers/dataprepnodjango.py
index 69e9f5af..a6ca3b5f 100644
--- a/rowers/dataprepnodjango.py
+++ b/rowers/dataprepnodjango.py
@@ -173,7 +173,10 @@ def create_c2_stroke_data_db(
     except ZeroDivisionError:
         spm = 20*np.zeros(nr_strokes)
 
-    step = totalseconds/float(nr_strokes)
+    try:
+        step = totalseconds/float(nr_strokes)
+    except ZeroDivisionError:
+        return 0
 
     elapsed = np.arange(nr_strokes)*totalseconds/(float(nr_strokes-1))