diff --git a/pylot/core/pick/autopick.py b/pylot/core/pick/autopick.py
index 56b69a7d..7beb2e9c 100644
--- a/pylot/core/pick/autopick.py
+++ b/pylot/core/pick/autopick.py
@@ -76,6 +76,7 @@ def autopickevent(data, param, iplot=0, fig_dict=None, ncores=0, metadata=None,
             pick.pop('station')
             all_onsets[station] = pick
 
+    all_onsets = checkPonsets(all_onsets, mdttolerance, iplot)
     return all_onsets
 
     # quality control
diff --git a/pylot/core/pick/utils.py b/pylot/core/pick/utils.py
index 9322f64a..f5177737 100644
--- a/pylot/core/pick/utils.py
+++ b/pylot/core/pick/utils.py
@@ -913,9 +913,9 @@ def jackknife(X, phi, h):
     PHI_sub = None
 
     # determine number of subgroups
-    g = len(X) / h
+    g = int(len(X) / h)
 
-    if type(g) is not int:
+    if (len(X) / h) % 1 != 0:
         print("jackknife: Cannot divide quantity X in equal sized subgroups!")
         print("Choose another size for subgroups!")
         return PHI_jack, PHI_pseudo, PHI_sub
@@ -931,7 +931,7 @@ def jackknife(X, phi, h):
         # estimators of subgroups
         PHI_pseudo = []
         PHI_sub = []
-        for i in range(0, g - 1):
+        for i in range(0, g):
             # subgroup i, remove i-th sample
             xx = X[:]
             del xx[i]