diff --git a/elbow.py b/elbow.py
index 81d03fc..5f0f7e6 100644
--- a/elbow.py
+++ b/elbow.py
@@ -29,7 +29,7 @@ def fit_points_to_reference( usL, dbL, usRefL, dbRefL ):
 
     return dbV
 
-def find_elbow( usL, dbL, pointsPerLine=10 ):
+def find_elbow( usL, dbL, pointsPerLine=5 ):
     
     ppl_2         = int(pointsPerLine/2)
     dL = []
@@ -58,7 +58,7 @@ def find_elbow( usL, dbL, pointsPerLine=10 ):
         i += 1
 
     # find the max angle
-    i = np.argmax( dL )    
+    i = np.argmax( dL )
 
     # return the x,y coordinate of the first data point of the second line
     return (usL[i+ppl_2],dbL[i+ppl_2])