diff --git a/rowers/datautils.py b/rowers/datautils.py
index afef0d63..bff11450 100644
--- a/rowers/datautils.py
+++ b/rowers/datautils.py
@@ -404,6 +404,7 @@ def getfastest(df,thevalue,mode='distance'):
     ones = 1+np.zeros(len(G))
     Ghor = np.outer(ones,G)
     Thor = np.outer(ones,T)
+    Tver = np.outer(T,ones)
     Gver = np.outer(G,ones)
     Gdif = Ghor-Gver
     Gdif = np.tril(Gdif.T).T
@@ -422,7 +423,7 @@ def getfastest(df,thevalue,mode='distance'):
         restime.append(deltat*i)
         cp = np.diag(F,i).max()
         loc = np.argmax(np.diag(F,i))
-        thestarttime = np.diag(Thor,i)[loc]
+        thestarttime = tt[loc]
         starttimes.append(thestarttime)
         distance.append(cp)