diff --git a/personenstromsimulation/pedestrian_sk.py b/personenstromsimulation/pedestrian_sk.py
index a049437..a981654 100644
--- a/personenstromsimulation/pedestrian_sk.py
+++ b/personenstromsimulation/pedestrian_sk.py
@@ -2,7 +2,6 @@
 
 import numpy as np
 import matplotlib.pyplot as plt
-import time as tiime
 
 GRIDSIZE_X = 35
 GRIDSIZE_Y = 35
@@ -47,14 +46,13 @@ def comp_density(grid):
 
 # state transition t -> t + dt
 def update(old, new):
-    print(count_peds(old))
+    #print(count_peds(old))
     for x in range(1, GRIDSIZE_X+1):
         for y in range(1, GRIDSIZE_Y+1):
             #
             # transition functions
             #
-            
-            if old[x, y] == CELL_PED:
+            if old[x,y] == CELL_PED:
                 delta_x = EXIT_X - x
                 delta_y = EXIT_Y - y
 
@@ -78,15 +76,22 @@ def update(old, new):
                     min = np.inf
                     jump_to = None
                     
-                    for key in terrain:
+                    '''for key in terrain:
                         if terrain[key]["cell"] == CELL_EMP:
                             if terrain[key]["vector"] < min:
                                 min = terrain[key]["vector"]
-                                jump_to = terrain[key]
+                                jump_to = terrain[key]'''
+                    for key in terrain:
+                        if terrain[key]["vector"] < min:
+                            min = terrain[key]["vector"]
+                            jump_to = terrain[key]
+                    print(jump_to)
 
-                    if jump_to != None:
+                    if jump_to != None and jump_to["cell"] == CELL_EMP:
                         new[jump_to["x"], jump_to["y"]] = CELL_PED
-                        old[x,y] = CELL_OBS
+                        old[x,y] = CELL_PED
+                    else:
+                        new[x,y] = old[x,y]
 
 def set_terrain(grid, x, y):
     cell = grid[x,y]