diff --git a/stock.py b/stock.py
index 38a554b..18fb5a1 100644
--- a/stock.py
+++ b/stock.py
@@ -48,7 +48,7 @@ class Stock(object):
 		try:
 			lastmodified = dt.datetime.fromtimestamp(os.stat(filename).st_mtime).date()
 			if lastmodified != today:
-				fetch = fetch_on_outdated
+				fetch = self.params2['fetch_on_outdated']
 		except:
 			fetch = True
 
@@ -97,7 +97,7 @@ class Stock(object):
 
 		x_r = np.linspace(0, N, N)
 		y_r = self.data['macd']
-		spl = UnivariateSpline(x_r, y_r)
+		spl = UnivariateSpline(x=x_r, y=y_r, k=5)
 		spl.set_smoothing_factor(0.25)
 		spl_d = spl.derivative()
 		spl_dd = spl_d.derivative()